ap computer science abstract classes, interfaces, polymorphism

Answers

Answer 1

In AP Computer Science, abstract classes, interfaces, and polymorphism are key concepts in object-oriented programming.

An abstract class is a template for creating objects that cannot be instantiated on their own but must be extended by subclasses. Interfaces are similar to abstract classes but only define method signatures that classes implementing the interface must implement.

Polymorphism refers to the ability of objects of different types to be treated as if they are of the same type, allowing for more flexible and reusable code. These concepts enable the creation of more complex and extensible programs by promoting code reuse and providing a structure for creating and organizing objects and their behaviors.

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Answer 2

In AP Computer Science, abstract classes, interfaces, and polymorphism are important concepts that help in designing and organizing code.


Abstract classes are classes that cannot be instantiated, and are meant to be sub-classed by other classes. They can contain both abstract and concrete methods, providing a blueprint for subclasses to follow. Interfaces are similar to abstract classes, but they cannot contain any implementation details. Polymorphism is a concept where a single interface or abstract class can be used to represent multiple forms of related classes. This simplifies code by allowing the same method to be used on multiple object types, and makes it easier to add new classes without changing existing code.


Overall, these concepts play a vital role in creating well-structured, flexible, and reusable code in AP Computer Science.

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Related Questions

How is the comma used as an interrupter in this sentence? Walking the tight rope, an amazing feat, is a dangerous career. direct address appositive summary parenthetical expression coordinate adjectives preceding a noun​

Answers

Answer:

The answer is "Appositive "

Explanation:

I hope this helps!!

Answer:

appositive

Explanation:

Identify and analyze the development of one theme over the course of Romeo and Juliet. Provide evidence from throughout the play to support the theme.

Answers

The theme of feuding and hatred's destructive power is evident in "Romeo and Juliet," where longstanding grudges lead to tragic consequences for the young lovers and their families.

Throughout the play, there are several instances that highlight this theme. In Act 1, the street brawl between the two households foreshadows the ongoing conflict and sets the tone for the rest of the story. The feud between the families creates a hostile environment where love and peace are overshadowed by violence and animosity.

Another example is the forbidden love between Romeo and Juliet. Their secret romance becomes a victim of the feuding families, forcing the young couple to take drastic measures to be together. The hatred between the Montagues and Capulets restricts their love and ultimately leads to their untimely deaths.

The tragic ending of the play, with the deaths of Romeo, Juliet, and others, serves as a culmination of the destructive power of feuding and hatred. The senseless violence and loss of life showcase the devastating consequences that result from unresolved conflicts.

Shakespeare utilizes various literary devices, such as foreshadowing, dramatic irony, and symbolism, to reinforce this theme. The recurring imagery of light and dark, as well as the frequent references to death, further emphasize the destructive nature of the feuding.

Overall, "Romeo and Juliet" explores the theme of the destructive power of feuding and hatred through the portrayal of the tragic consequences faced by the characters. The play serves as a cautionary tale, highlighting the need for reconciliation and the devastating impact of unresolved conflict.

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We are having a debate and we got the "Traditions prevent society from developing" topic what can we say about this?

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It can be said tradition is obstructing development whenever a new thought tries to express itself at the expense of something that has been done traditionally when the new idea claims to be progressive.

How does tradition affect society?

A tradition is a way of thinking or acting that is passed down within a group or community and has historical roots and symbolic importance. Tradition helps people feel at home and connected. Values like freedom, faith, integrity, a solid education, personal responsibility, a strong work ethic, and the importance of selflessness are reinforced by tradition.

Traditions capture the core values that underpin every culture and community in a society. Another option is to obey a custom without question. Consequently, they may no longer be relevant and even harm the community which upholds them. However, transcendentalist like Emerson believed men are good but society corrupts people because it doesn't understand true and gentle souls.

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a logical condition combines the result of two component conditions to produce a single result based on those conditions or it inverts the result of a single condition. true or false?

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A logical condition combines the outcomes of two or more component conditions to form a single result and is a statement that can either be true or false. True

Logical conditions are widely used in programming to regulate the flow of code and make decisions based on input data. "And," "or," and "not" are examples of logical operators that are used to combine conditions.

A logical operator, such as "not equal to" or "not true," can also be used to reverse the outcome of a single condition. This makes it possible to make decisions based on input data in a more flexible and potent manner.

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Is the following sentence correctly punctuated, or is it a fused or comma splice?
I think impersonating a service dog should be a misdemeanor, people who get caught should have to pay a fine, and volunteer at an animal shelter.

Answers

I believe it would be a comma splice. “I think impersonating a service dog should be a misdemeanor.” and “People who get caught should have to pay a fine and volunteer at an animal shelter” should be two separate sentences. Both have a subject, verb, and a complete idea.

where does hester channel her passions

Answers

Answer:

needle work

Explanation:

this would be explained somewhere in chapter 5 if you care, or have to have a citation for it.

please rate and mark as brainlest.

(T/F) When concluding a speech, it is inappropriate to refer back to ideas mentioned in the introduction.

Answers

False. When concluding a speech, it is appropriate to refer back to ideas mentioned in the introduction. In fact, it is recommended to do so as it reinforces the main points and provides closure to the audience.

The conclusion should tie together the various ideas and themes discussed in the speech, and help the audience understand the overall message or purpose. A good way to do this is to summarize the main points and explain how they relate to each other and the topic at hand. Additionally, the conclusion should leave a lasting impression on the audience, so it may be beneficial to end with a strong statement or call to action.

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Even though the zombies were slow, they caught up to the group of kids! 1 point
A: Compound Sentence
B: Complex Sentence

Answers

The answer is A : compound sentence

3. The idea of a human mission to Mars has been capturing the imagination of the scientific community and popular culture for decades, manifesting itself in cinema, literature, and art. Conceptualizations of how this mission would be planned, funded, and executed have waxed and waned since the space race of the mid-20th century. What has never been disputed is the fact that an expedition to Mars is a momentous undertaking, with high risks and unknown rewards. When a mission takes place, it will most likely result into settling a human base on the Red Planet, with a scientific base that may perform exploitation, and contribute to further colonization or even terraforming. Identify the type of essay. a)Argumentative esaay b)compare & contrast c)Evaluation essay d)Narative essay e)Exposition esaay f)research essay g)Analystic essay
please help me?!?!?!​

Answers

The idea of a human mission to the Martian planet has been capturing the imagination of the scientific community and popular culture for decades, manifesting itself in cinema, literature, and art. Conceptualizations of how this mission would be planned, funded, and executed have waxed and waned since the space race of the mid-20th century. What has never been disputed is how an expedition to Mars is a momentous undertaking, with high risks and unknown rewards. When a mission takes place, it will most likely result into setting a human base on the Red Planet, with a scientific base which may perform resource exploitation, contribute to further.

describe three of dally’s actions that confirm he wanted to die that night.

Answers

Dally's actions, carrying a gun, asking the police to shoot him, and provoking them, strongly suggest that he wanted to die, as he sought escape from the pain of life.

In the book "The Outsiders", Dally was a character who was in a constant state of struggle with himself. As he could not find any other way to escape from the pain of life, he resorted to self-destruction. Here are three of Dally's actions that confirm he wanted to die that night:

1. Dally carried a gun: When Johnny and Ponyboy met Dally, he was carrying a gun with him. When Johnny asked him why he was carrying a gun, Dally replied that he was thinking of robbing a grocery store. Dally had always been a criminal, and his decision to rob a grocery store was a clear indication that he wanted to die.

2. Dally told the police to shoot him: When the police arrived at the scene, Dally told them to shoot him. He knew that he could not escape from them, and therefore he decided to face them. He was a man who had no fear of death and wanted to die.

3. Dally provoked the police: Dally knew that he would be arrested and taken to jail. But instead of going to jail quietly, he provoked the police to shoot him. He raised his unloaded gun and pretended to shoot at the police. This was a clear indication that he wanted to die and was not afraid of the consequences.

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How does the stream-of-consciousness narrative style create the tone of the story?

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Sorry but I need the story to be able to answer this...

Assume that the NC stop button is replaced with an NO stop button and that the program is changed so it operates as before. Should the field wire connected to one end of the stop button break off a) the motor would stop automatically. b) pressing the stop button would stop the motor. c) pressing both the start and stop buttons would stop the motor. d) none of these

Answers

If the NC stop button is replaced with an NO stop button and the program is changed to operate as before, if the field wire connected to one end of the stop button break off is (b) pressing the stop button would stop the motor happens.
Here, correct option is B.


This is because an NO (normally open) stop button requires a closed circuit in order to function, meaning that pressing the stop button would complete the circuit and stop the motor. In contrast, an NC (normally closed) stop button requires an open circuit in order to function, meaning that breaking off the field wire connected to one end of the stop button would complete the circuit and automatically stop the motor.
Therefore, correct option is B.

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(Link = NO!!) Which sentence is used for the word "sustain" correct?

A: if the [sustain] is correct, we should have a nice weekend.
B: Please [sustain] from giving away the ending of a movie.
C: I hope Olivia can [sustain] her accelerated pace for the entire race.

Answers

It’s C, cause someone can support a race and pace, and since sustain is basically support C is right

On the Time Traveller’s next journey through time in The Time Machine, after he escapes the Morlocks, what is the next animal he sees?

Answers

On the Time Traveller’s next journey through time in The Time Machine, after he escapes the Morlocks, the next animal that he sees is a giant crab.

How to illustrate the information?

It should be noted that the Time Machine is a science fiction that was published by Wells. It was about a character that invented a machine that could travel ahead of time.

It should be noted that in the story, he escaped the morlocks by feeding them off

After doing this, he still came in contact with against crab.

Therefore, On the Time Traveller’s next journey through time in The Time Machine, after he escapes the Morlocks, the next animal that he sees is a giant crab.

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the student version is on the right
Is the students version
a. word for word plagiarism
b. paraphrasing plagiarism
c. not plagiarism

the student version is on the right Is the students version a. word for word plagiarism b. paraphrasing

Answers

B. tuff one but you can tell because of the main points made

40 POINTS AND BRAINIEST. PLEASE HELP THERE ARE 4 QUESTIONS.
(you will be reported if not correctly answered)

40 POINTS AND BRAINIEST. PLEASE HELP THERE ARE 4 QUESTIONS.(you will be reported if not correctly answered)
40 POINTS AND BRAINIEST. PLEASE HELP THERE ARE 4 QUESTIONS.(you will be reported if not correctly answered)
40 POINTS AND BRAINIEST. PLEASE HELP THERE ARE 4 QUESTIONS.(you will be reported if not correctly answered)
40 POINTS AND BRAINIEST. PLEASE HELP THERE ARE 4 QUESTIONS.(you will be reported if not correctly answered)

Answers

The answers to the prompt can be completed as follows:

1. No change (trips. No matter where I was,)

2. Friends' houses.

3. Questioned

4. No change

What are the correct options for the sentences?

The best way to complete the sentences will be to look for the appropriate words that convey the best information. In the first sentence, we can see that we are left with the option of leaving the sentence as it is or changing it to any of the other options listed.

The best option will be not changing the sentence because it makes complete meaning when left that way. The next question is about pluralizing the word, friends, and also indicating possession. The best way to do that is to use the word, Friends'. So, option C was the best choice.

The fervor with which the speaker spoke to the airport personnel is best illustrated by the word, "Questioned." The speaker may not have assailed or physically attacked the personnel, but he must have questioned them about his belonging.

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Overall which phrase best describes the tone of this passage?
As a rich jewel in an Ethiop's ear-
Beauty too rich for use, for Earth too dear.
So shows a snowy dove trooping with crows
As yonder lady o'er her fellows shows.
The measure done, I'll watch her place of stand
And, touching hers, make blessèd my rude hand.
Did my heart love till now? Forswear it, sight,
For I ne'er saw true beauty till this night.
-William Shakespeare, Romeo and Juliet, Act I, scene v, lines 51-60.
OA. Depressed and gloomy
B. Reverent and worshipful
C. Angry and aggressive
D. Cheerful and carefree

Answers

The passage radiates a tone of significant Reverent and worshipful, highlighting the speaker's awe-inspired discernment of the lady's exceptional excellence. Option B. Reverent and worshipful is the right answer

Which phrase best describes the tone of this passage?

The passage passes on a tone of Reverent and worshipfulness toward the subject of excellence. The speaker portrays the magnificence of a woman in an exceedingly lifted and idyllic way, comparing her to a valuable gem and a frigid dove among crows.

The dialect utilized recommends a sense of wonderment and love, as the speaker communicates deference for the lady's excellence.

The tone isn't discouraged, melancholy, irate, forceful, cheerful, or carefree, but maybe Reverent and worshipful in its depiction of the lady's extraordinary excellence.

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3. PART B: Which phrase from the text best supports
your answer to Part A?
O A "Night after night, Americans turned on the news
to see the bodies of their young flown home in
bags." ( Paragraph 9)
OB "Some young people took to the streets to protest
the war, and others - although only a very small
percentage - came to sympathize with the Viet
Cong." ( Paragraph 9)
OC "By the late 1960s, many began to feel it was time
to cut losses and leave Vietnam." ( Paragraph 10)
D "President Nixon signed a ceasefire in January
1973 that formally ended the hostilities." (
Paragraph 11)

3. PART B: Which phrase from the text best supportsyour answer to Part A?O A "Night after night, Americans

Answers

Answer:

D

Explanation:

The phrase that best support the answer to Part A is that Some young people took to the streets to protest the war, and others - although only a very small percentage - came to sympathize with the Viet Cong." Thus option (B) is correct.

What was the Vietnam war?

The Vietnam War was a long, costly and divisive conflict that pitted the communist government of North Vietnam against South Vietnam and its principal ally, the United States.

The conflict was intensified by the ongoing Cold War between the United States and the Soviet Union. More than 3 million people (including over 58,000 Americans) were killed in the Vietnam War, and more than half of the dead were Vietnamese civilians.

Opposition to the war in the United States bitterly divided Americans, even after President Richard Nixon signed the Paris Peace Accords and ordered the withdrawal of U.S. forces in 1973. Communist forces ended the war by seizing control of South Vietnam in 1975.

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please help ill help you on ur work just hmuuu
Draw upon your own creative resources and create a unique advertisement for a product or service of your choosing. The advertisement should be persuasive, target a specific audience, and use media in a compelling way. You can either produce the advertisement (that is, you can use the materials and media available to you to make it) or present detailed instructions for the creation of the advertisement.

Make sure to consider the following: What will you advertise? Your advertisement might promote a product or service. What is its unique selling point? Does it have a brand identity? You can choose to advertise a real product that already exists or a product you can imagine existing — just be sure to make your choice clear. What form will your advertisement take? Will it appear in print form? As a video? Online? You might choose to "mock up" a print advertisement or write the script for a commercial or product-placement opportunity. Who is your target audience? Is there a particular group of people you are trying to reach? Where are they found? What kinds of things do they like? In your opinion, what kinds of media are they most likely to respond to?

Answers

Answer:

hey robot owners, are you tired of fixing up robots with loose parts? well, be tired no more! for I have invented the robot parts stabilizer 3000 (or the RPS-3000), and you can buy it for only $69.99! all you have to do is turn on the device, slap it onto your robot with loose parts, and your bot will be automatically fixed in no time! this device is also waterproof, so if you have a robotic fish as a pet, the RPS-3000 can fix it up underwater if you want, too! the RPS-3000 also comes with a battery that can perform photosynthesis to recharge itself so there will be no annoying wireless charging you have to worry about! if you have any questions about this item or want to order this item, call us at 1-800-robo-fix or visit our website at bit .ly/39XO91c

in the last paragraph on page 2 the author includes the phrase as empty as a birds in winter because
a real birds nest has holes in it during winter
the bag has eggs in it like a real birds nest would
the bag looks just like a real birds nest
there is usually nothing in a real birds nest during winter

Answers

The answer is D. "There is usually nothing in a real birds nest during winter"

How would the author of passage 1 MOST likely view the vigilante films of the 1970s
discussed in passage 2?

Answers

In a vigilante movie, the main character or main characters act vigilantely and enforce the law on their own. When the judicial system fails the main characters in vigilante flicks, they typically turn to crime-fighting as a form of retaliation.

What is vigilante movie?Due to character genesis stories commonly entail an injustice being done against them, the vigilante movie has recently regularly merged with the superhero genre.As a result of "touchstones" like Death Wish and Dirty Harry, both of which received numerous sequels, vigilante films in American cinema rose to prominence during the 1970s. The 1980 movie The Exterminator was the most commercially successful of the many cheap knockoffs and imitations that followed the 1974 movie Death Wish, which is credited with formally establishing the genre. The Los Angeles Times referred to Taxi Driver as a good example of the genre and stated that "Vigilante retribution was the cinematic motif of the decade, blossoming in the more respectable sectors of the new American cinema even as it powered innumerable exploitation pictures."According to a 2009 article, these movies were resurging after "the comparatively affluent and peaceful 1990s," citing examples such as Walking Tall (2004), Death Sentence (2007), and Law Abiding Citizen (2009).

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Identify the metaphor below.
A. The road was an unbroken line from a Sharpie marker, its smell
overpowering and its thick stroke intimidating in its confidence.
B. The clouds were dark and angry.
C. The field was like an ocean of grass.
D. None of the above

Answers

Option A is the metaphor.

Pick one of the traits (responsibility, self-esteem, sociability, and so on) that you have learned in this lesson that you feel you need to work on. Write a note on how you will go about improving it.

Answers

Answer:

If you are planning on using mine...

Explanation:

I need to work on responsibility, especially at home. I tend to be very responsible when it comes to work, getting to commitments on time, and helping friends out, but when I am at home, all I want is to be lazy and I don't get enough homework and chores done.

Answer:

Positive, bullying prevention, self-esteem, self-concept, character, traits, icebreaker, social emotional learning, emotional intelligence, social media, digital and also Make sure you have at least some simple photos on your account when you get the Students should already be familiar with positive traits linked to good character.

what does calpurnia cry out in her sleep? how is this a significant element of the play? what literary device is being used here?

Answers

In Harper Lee's novel "To Kill a Mockingbird," Calpurnia cries out in her sleep, "Quit, now, you hear?" This cry is significant because it reveals Calpurnia's deep-seated fear for the safety of her children, Scout and Jem, who are at risk because of their father's decision to defend a black man in court.

This cry also highlights the tension and conflict between different racial groups in the South during the 1930s, when the novel is set. The literary device being used here is foreshadowing, as Calpurnia's cry anticipates the danger and violence that will ultimately erupt in the story.

The cry also serves to heighten the emotional impact of the novel and draw the reader into the narrative.

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Which one of the following strategies will result in your paying No interest to the credit card company?

Answers

Limit is a leaser's evaluation of a man's energy and ability to pay obligations as decided by character. Limit estimates a borrower's ability to repay a credit by taking a gander at pay against rehashing commitments and assessing the borrower's commitment to-wage (DTI) extent.

What are the stratergies of paying interest?

Item testing attempts to ensure that purchasers can understand what things will advance the circumstance them and which things are the best regard.

Thing testing is a strategy to assemble purchaser protection by checking the cases made in the midst of exhibiting methodology.

For instance, publicizing, which by their inclination are considering a genuine worry for the component conveying the organization and not exactly considering a real worry for the customer.

The approaching of thing testing was the beginning of the state of the art purchaser advancement. Drawing nearer intensive, target thing testing results is the fundamental mechanical assembly which purchasers can use to make an informed choice among thing choices.

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Brainliest and 50 points!!!
Nature's first green is gold her hardest hue to hold her early leaf is a flower. but only so an hour. then leaf subsides to leaf so eden sank to grief so dawn goes down today. nothing gold can stay

how does the rhyme scheme and structure of the poem contributes to the poems meaning.

Answers

By portraying nature as a woman, Frost connects the concept of death and decay in nature to the loss of innocence and inevitable death of each human being

Explanation:

Nature's first green is gold, Her hardest hue to hold. By portraying nature as a woman, Frost connects the concept of death and decay in nature to the loss of innocence and inevitable death of each human being

Rhyme scheme is one such method using a pattern of repeated final sounds in the last words of each line. Creating a pattern of rhyming can also affect the rhythm of a poem. In addition, whole rhyming lines can be repeated throughout a poem in order to emphasize the author's message.

what does no level of society is above mockery mean?

Answers

Answer:

Explanation:

Corruption happens and those with no power will get mocked. Even those with no power do the mocking of lower classes

5. How does the point of view affect the story?
A. Because the narrator has a limited view to tell the story about the character,
the reader has very little understanding of their rejection of Arthur.
B. It allows the narrator to develop a personal relationship with the characters.
C. It allows the audience to understand the change of the noblemen's thoughts
and emotions towards Arthur.
D. The characters are able to hide their thoughts and emotions from the
narrator and audience.

Answers

Point of view allows the audience to understand the change in the noblemen's thoughts and emotions toward Arthur. Therefore, option C is correct.

The point of view in a story refers to the perspective from which the story is narrated. Different points of view can have a significant impact on how the story is presented and how readers perceive and understand the events and characters.

The point of view allows the audience to gain insight into the thoughts and emotions of the noblemen as their attitudes and feelings towards Arthur evolve over time.

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the inciting incident occurs when the protagonist faces their greatest obstacle. true or fasle

Answers

Answer: True.

Explanation:

Why wouldn't people want tattoos on their arms anymore in the short story skins

Answers

The story's topic of social standing and class divisions, as well as the ephemeral nature of fashion and fads, are reflected in "Skins"' change in tattoo location.

In the short story "Skins" by Roald Dahl, the character Drioli explains that people no longer want tattoos on their arms because it has become a popular trend among society's lower classes, including criminals and sailors. As a result, having a tattoo on one's arm is now seen as a symbol of low status or a lack of sophistication.

Furthermore, Drioli explains that the trend of tattooing has shifted to a new location on the body - the back. This has become a trend among the wealthy and sophisticated, and having a back tattoo is now seen as a mark of high status and exclusivity.

Overall, the shift in tattoo placement in "Skins" reflects the story's theme of social status and class distinctions, as well as the fickle nature of fashion and trends.

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Other Questions
Dan bought a hotel for $2,600,000 in January 2017. In May 2021, he died and left the hotel to Ed, While Dan owned the hote, he deducted $289,000 of cost recovery. The fair market value in May 2021 was $2,800,000. The fair market value six months later was $2,[50,000. Form 706 (Federal Estate Tax) is not required to be filed. a. What is the basis of the property to Ed? Since the alternate valuation date lelected, Ed's basis is 5 can be cannot be b. What is the basis of the property to eumil ue tan market value s 5 months later was {2,500,000( not 52,850,000) and the objective of the executor was to minimize the estate tax liability? Since the alternate valuation date in the ambulatory care setting, the medical assistant may be responsible for which of the following tasks? solve this :) i Will give brainly At a local swim club you can purchase an annual membership for 24 dollars which will allow you 1 dollar admission to the pool all summer. If you do not purchase the membership the pool admission is 5 dollars. Determine the number of times you must visit the pool with a membership that would equal the cost of paying full price Place the events listed below in correct chronological order:| - Stalin's Purges beginII - Lenin diesIII - World War I beginsIV - Bolsheviks seize power in RussiaV - First Five Year Plan begins Another researcher wanted to know whether people strongly have a preference for one of the Pixar movie franchises. Below are the number of people who prefer the Incredibles movies vs Finding Nemo/Dory vs the Cars movies. Conduct the steps of hypothesis testing on these data. Incredibles movies 18Finding Nemo/Dory 23Cars movies 6 What are the common factors of 24 and 36?O A. 1,2,4,6, 12O B. 1,2,3,4,6,12C. 1,2,3,4,6,8,12O D. 1,3,4,9,18 Question 11 ptsA private parking lot in downtown Philadelphia is being built. It's 120' long by 75' wide. To put afence around it, the construction company will need at least 390' of fencing material. True or false? Find the median of each set of data. 12, 8, 6, 4, 10, 1 7 6, 3, 5, 11, 2, 9, 5, 0 5 30, 16, 49, 25 A helicopter hovers 1125 feet above a small island. The figure shows that the angle of depression from the helicopter to point P on the coast is 40 degree. How far off the coast, to the nearest foot, is the island? The island is approximately feet off the coast. (Simplify your answer. Round to the nearest whole number as needed.) When you are given mate to drink, you just take one sip and then pass it on to your left. what is 5 /2 equeivelent to Exercice n13 : Le corps humain contient 25 x 10 puissance 12 globules rouges. Suite une maladie,un individu perd 12% de ses globules rouges. Combien de globules rouges lui reste-t-il ?(Donner le rsultat en notation scientifique)svp aidez moi ;) Por qu crees que Corts entra en tantos detalles sobre la forma en que Moctezuma come yse viste? researchers studied the foodobtaining behavior of the bird known as parus major. in the wild, the birds can obtain food by finding it themselves or by taking advantage of the efforts of other birds via scrounging (e.g., stealing the food of others, joining food patches found by others). to investigate this behavior, researchers set up a puzzle-box where the bird slides a door to the side to reveal food, and the door stays open long enough for a non-solving bird to also take some of the food. the researchers used radio-frequency identification (rfid) tags to individually track data for each bird. they also used cameras to distinguish when a bird employed the producing strategy of solving the puzzle from when a bird surrounded by taking food after a different bird solved the puzzle. the researchers examined if the birds tended to generalize across the producing and scrounging strategies, if they specialized in a strategy, or if they showed some other pattern of foodobtaining behavior. the histogram shows the proportion of each bird's total visits to the puzzle box that were scrounges. the frequencies indicate the number of birds whose visits to the box have the specified proportion of scrounges. only birds with at least 50 visits are included. how does the solar minimum that occurred around 2008 compare to those in the previous solar cycles? Read the sentence from paragraph two of "The Two Offers" and answer the question.And she, that pale intellectual woman, whose genius gave life and vivacity to the social circle, and whosepresence threw a halo of beauty and grace around the charmed atmosphere in which she moved, had at oneperiod of her life, known the mystic and solemn strength of an all-absorbing love.Which strategy does the author use to clarify the meaning of the underlined word?By relating an intellectual quality that the woman possessed (genius) to one that she had chosen to dismiss (vivacity), the author cluesthe reader by use of a synonymBy describing the woman's company as a "halo of beauty and grace," the author offers a definition of the word "vivacityBy recounting the woman's love affair as one of "mystic and solemn strength," the author offers a restatement of the meaning ofVivacityo By including the word "solemn," the author contrasts the lively quality of the woman's interaction to the more subdued impressionthat her love affair provoked. 4. The role of"protagonist" in an argument is also known as:a.proponentb.opponent (b) A work element in a manual assembly task consists of reaching 16 inches to move a 2 lb object to a location 10 inches away. This task is described by the following MTM-1 elements: R16C, G4A, M10B2, RL1. The total time for this work element in seconds is: (answer to 3 decimal places). a what is the total sample size (in grams) for a sample of sodium sulfate which contains 3.15 g of oxygen?