# Homework Help

eNotes Homework Help is a way for educators to help students understand their school work. Our experts are here to answer your toughest academic questions! Once it’s posted to our site, your question could help thousands of other students.

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• Science
Selection pressure describes any event that influences or even changes the behavior of living organism in its surroundins. The selection pressure could be seen as the engine of evolution and it is...

Asked by yanie8888 on via iOS

The concepts of fair use, copyright infringement, and plagiarism are ongoing hot topics for debate and for concern relative to the Internet. Currently, an ever increasing number of people are...

Asked by yacel0762 on via web

• Math
The area enclosed by the curves x+4y= 8 and x+4 = y^2 has to be determined. The points of contact of the two curves are (0, 2) and (32, -6). The enclosed area is: `int_(-4)^0 sqrt(x+4) dx` +...

Asked by masterpiece56 on via web

• Ender's Game
To forestall vengeance, Ender attacks Stilson while he is lying on the ground. This way the others will know that he is an animal, lying in wait to get them when they are not looking. In school,...

Asked by srstudent on via web

• Science
First, let r be the radius of the circle. (Refer to the figure below.) Also, notice that the line segments AB and CB are at right angle. So, we may apply the formula for solving the lengths of the...

Asked by tjjavid on via web

• Wolf Hall
On first reading, this event that occurs at the very end of the chapter seems a rather strange act. Cromwell chooses to drop the one item that connects him to his older sister, Kat. Note how this...

Asked by lgeorge1025 on via web

• Math
The function f(x) = `x + sqrt x` . The slope of the line tangent to f(x) at the point where x = a is given by f'(a). f'(x) = `1 + 1/(2*sqrt x)` At x = 25, f'(x) = `1 + 1/10` The slope of the...

Asked by soccerfan55 on via web

• Language Acquisition
There is a strong relationship between language development and symbolic play. A tendency that develops as early as age three, symbolic play is the use and manipulation of objects to represent...

Asked by jingles99 on via web

• The Bronze Bow
Joel is going to get the names of rich people who will be going to a feast; while they are out, Rosh will rob their houses, furthering his cause. However, despite a good plan to sell fish to the...

Asked by user9466167 on via iOS

• Buddhism Enters China
Buddhism, which originated in what is today north India around the fifth century B.C.E., spread into China via the network of trade routes that would later be known as the Silk Road. Many Chinese...

Asked by user9290616 on via web

• Tracks
Louise Erdrich has written several novels which are set in the same place and share many of the same characters. Tracks is one of these novels. The story is told from the point of view of two...

Asked by tuurre21 on via web

• Economics
Of the people in the examples in the link, only person #4 is clearly cyclically unemployed. People #2 and #6 might be cyclically unemployed, though person #2 would not count in official...

Asked by lkballer24 on via web

One aspect of Chesnutt's use of characterization that is the most striking is his creation of archetypical characters. Dr. William Miller, for example, is the embodiment of what at the time was...

Asked by bpm6867 on via web

• Math
You need to prove that `sin 105^o = (sqrt6 + sqrt2)/2` , hence you need to write `105^o` such that: `105^o = 60^o + 45^o` Hence, evaluating `sin 105^o` yields: `sin 105^o = sin (60^o + 45^o)` You...

Asked by heureo on via web

• To Kill a Mockingbird
In Harper Lee's To Kill a Mockingbird, it is not unusual that Jem and Dill don't want Scout around. In Chapter Five, Scout notes it is common occurrence: Next morning when I awakened I found Jem...

Asked by sharvey3 on via web

• The Sound and the Fury
By using a different style, the individual brothers take on additional personalities. I have seen this done in modern books with different fonts. I am not sure how I feel about that. Is it a...

Asked by thegoldenone on via web

• Science
A point light source will either be all visible or all blocked, but an extended source can be partially viewable beyond the edge of the shadowing object. Photographers often used point light...

• The Possibility of Evil
I think that there is significance in the story's setting being unnamed. There is a distinct feeling that the story could happen anywhere. This is enhanced in how the town is regular and nothing...

Asked by wynton on via web

• Childe Roland to the Dark Tower Came
Do you mean the poet or the narrator? The narrator is preoccupied with finding the Dark Tower. He has been searching so long that he would be happy to reach any kind of stopping point, including...

Asked by aimen on via web

• Statistics for People Who (Think They) Hate Statistics

Asked by janetd66 on via web

• Of Mice and Men
John Steinbeck’s novella Of Mice and Men evokes many emotions from the characters and the readers. From the beginning of the story, it is apparent that Lennie and George will have to face...

Asked by shavern869 on via web

Ethics codes by themselves cannot build true business ethics any more than laws can build law-abiding citizens. Ethics codes can only provide people with a nudge towards acting in truly ethical...

Asked by lscrivy on via web

• Intelligence
The answer is C. Intellectual disability is a slowing of the developmental skill not an ability to learn new skills. An individual with a intellectual disability is slower to learn to walk, talk,...

Asked by ranger1980 on via web

• Social Sciences
The terms “niches” and “mature coping” are connected to prisons and to the ways in which inmates of those prisons behave. The basic relationship between the two is that niches make mature...

Asked by kc76384 on via web

• The Great Gatsby
There are several plant or flower metaphors that describe Daisy. The most overt reference to flowers is her name: Daisy. The color green is a powerful symbol in the novel. The green light at the...

Asked by coutelle on via web

• Wuthering Heights
Edgar Linton blames Catherine for Hareton’s outburst, because she did not pay attention to him. When Catherine arrives, Hareton wants her to see that he has learned to read. Catherine calls him...

• Math
The mean of a set of numbers is given by `barx = (sum_(i = 1)^n x_i)/n` and the standard deviation is given by `sqrt((sum_(i = 1)^n (x_i - barx))/(n - 1))` If a constant term is added to all the...

Asked by lxsptter on via web

• The Great Gatsby
Asking why Nick is the perfect narrator for The Great Gatsby begs the question (i.e., requires you ask the question): Was Nick the perfect narrator? Let's analyze a couple of Nick's traits as...

Asked by lyd-wil on via web

• Science
Once the water start to boil if we further heat the water then it will start to evaporate by using the latent heat for vaporization. The latent heat for vapourization is 2260j J/g for water. So...

Asked by classicvice on via web

• Math
You need to know that the equation is called transcendental since it contains a trigonometric function, which is a transcendent function. You should solve this equation using the graphical method,...

Asked by ayush01 on via web

• Night
In the book Night, the plot and the theme of survival overlap and show that the microcosm of one person's journey can illustrate the macrocosm of the horrors of the Holocaust. Elie Wiesel watches...

Asked by sshapnik on via web

• Math
We want to show that the graphs of `y=sinx/(1+cosx)` and `y=1/sinx-1/tanx` are the same: The graph of `y=sinx/(1+cosx)` : The graph of `y=1/sinx-1/tanx` : They are the same. Algebraically:...

Asked by kevsilberberg on via web

• Math
You need to remember the absolute value property such that: `|x|<c => -c < x < c` Reasoning by analogy yields: `(1/3)x^2 - 3<= 3 - |x| <= 3 - (1/3)x^2` Subtracting 3 both sides...

Asked by leonl on via web

• Economics
In this scenario, there will be a surplus of drivers if the wage is set at \$10. Price floors always result in surpluses. If the wage is set at \$10 per hour, many people will want to drive taxis....

Asked by lkballer24 on via web

• Math
You need to write the equation that relates three consecutive terms of arithmetic progression such that: `T_n = (T_(n-1) + T_(n+1))/2 =gt 2T_n = T_(n-1) + T_(n+1)` You also need to write the...

Asked by alwaysbelieve on via web

It is very hard to answer this question because we have no idea what our imaginary firm is like or what problems are reducing its efficiency. Therefore, it is very difficult to say what kinds of...

Asked by cmuntz on via web

• History
The impact of the wheel on future civilizations cannot be overemphasized. It is one of the most important discoveries in the history of the world. Let us look at two reasons why this is so....

Asked by bellanicole98 on via web

• Social Sciences
It is generally said that self-esteem consists of two main types of things. On the one hand, there is the feeling that other people like and/or love us and that we are worthy of their affection...

Asked by jakande on via web

• Math
The graph of `1/tan(x)` is: The graph is periodic with periodicity `pi` . At all points where `x = n*pi + pi/2` the value of y is 0 and there is a vertical asymptote at all points where x tends...

Asked by kevsilberberg on via web

• Math
You have given `alpha+beta=pi/2 and` `beta+phi=alpha` `tan(alpha)=tan(beta+phi)` `=(tan(beta)+tan(phi))/(1-tan(beta)tan(phi))` `tan(alpha){1-tan(beta)tan(phi)}=tan(beta)+tan(phi)`...

Asked by spsaroj on via web

• Math
The value of `lim_(x->4) (x^3-2x^2-9x+4)/(x^2-2x-8)` has to be determined. `lim_(x->4) (x^3-2x^2-9x+4)/(x^2-2x-8)` => `lim_(x->4) ((x-4)*(x^2+2x-1))/((x-4)*(x+2))` => `lim_(x->4)...

Asked by kandelkiran on via web

• Split Cherry Tree
(eNotes educators only answer one question per response. If you need further help, please resubmit questions separately.) As Professor Herbert attempts to explain to Pa some of the activities of...

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• Science
Teflon is a polymer composed of the tetrafluoroethylene monomer. If you want to know how many monomers are in a particular sample of polymer, divide the mass of the polymer by the molecular weight...

Asked by precious531 on via web

• Lawrence v. Texas
In this case, the Court struck down the Texas law on the basis of substantive due process. The Constitution says that people may not have their liberty taken away without due process of law. In...

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• Reference

Asked by pharung on via web

• Math
The property is 49.3 meters wide. The fence is inset 4.5 meters from the property line on the side closest to John Street. This makes the fenced property 44.8 meters wide. The fence posts are...

Asked by nhl123 on via web

• Math
Since the problem requests to perform the transformation `y = f(x)` , you may evaluate the limit, such that: `lim_(x->oo) (f^(-1)(x))/(ln x) = lim_(y->oo) (f^(-1)(y))/(ln y)` Since `y =...

Asked by user5485685 on via web

• Thank You, M'am
Mrs. Jones is not rich. This is demonstrated in the simple way she lives. Although Mrs. Jones does give Roger the money for the shoes, it is not because she is rich. She gives him the money...

Asked by rwan1 on via web

• Vietnam War
To me, the concept of saving face means that the country must maintain its reputation. It cannot be seen to be weak. It cannot be seen to have suffered defeat because this would ruin its prestige...

Asked by yemawe52 on via web