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题目内容
If the results of this survey accurately reflect the distribution of car ownership in a population of 1.2 million families, approximately how many of the families would most likely have exactly 3 motor vehicles?

Quantity A

$$x$$

Quantity B

$$y$$
At the end of 1989, 10 million employees in the United States had their paychecks deposited electronically in their bank accounts. By the end of 1996, that number had increased to 50 million. If during the last year of the period from the end of 1989 through the end of 1996, the number of employees who had their paychecks deposited electronically increased by 10 million, what was the average (arithmetic mean) increase per year for the first 6 years in the period?
For all values of $$a$$ and $$b$$, $$(a+b)^3 =a^3+3a^2b+3ab^2+b^3$$.

Quantity A

$$(c-d)^3+3(c-d)^2d+3(c-d)d^2+d^3$$

Quantity B

$$c^3$$
What is the greatest possible area of a rectangular region whose perimeter is 60?
Examinees who received a score of 6 or more passed the test. Which of the following is closest to the average (arithmetic mean) score of the examinees who passed the test?
What was the median score?
Which of the following is closest to the percent of the examinees who received scores that were within 1.0 standard deviation of the mean?
A certain defective printer does not print all $$n$$ pages, where $$n$$ is the total number of pages in a print job, except when $$n=1$$. The printer prints $$\frac{n}{2}$$ pages when $$n$$ is even and $$\frac{n+1}{2}$$ pages when $$n$$ is odd.

Quantity A

The number of pages the printer prints when 7 pages are requested in a print job

Quantity B

The number of pages the printer prints when 8 pages are requested in a print job
What is the sum of the integers from 4 to 120?
$$\frac{4}{3}x+7=11$$

Quantity A

x

Quantity B

2


The figure shows an equilateral triangle that lies insidea square. All of the sides of the triangle and all of the sides of the square have the same length.

Quantity A

The sum of the areas of the shaded regions

Quantity B

The area of the equilateral triangle
k is a positive integer.

Quantity A

The remainder when $$4^k$$ is divided by 11

Quantity B

8
In the xy-plane, the vertices of triangle $$T_n$$, are defined as the points $$(n, 0), (3n+1, 0)$$,and $$(n, 2n^2+2n)$$ for all positive integers n. The perimeter of triangle $$T_5$$ is how much greater than the perimeter of triangle $$T_4$$ ?
In a candy factory, quality-control tests were conducted on six 1,000-piece batches of candy. The numbers of pieces of candy that were rejected in these batches were 4, 3, 8, 6, 3, and 12, respectively. If the median of these numbers is used topredict the number of rejections in each 1,000-piece batch of candy produced by this factory, what is the total number of rejections predicted for 20 such batches?
From a set of 15 questions, a student must select exactly 12 questions to answer. How many different selections of 12 questions are possible if the order in which the questions are selected does not matter?
$$a=-2, b=-3$$, and $$c=0$$

Quantity A

$$a^3b+ac$$

Quantity B

18
$$4^{x-1} > 500$$

Quantity A

x

Quantity B

5
|x|+6 < |y|+7

Quantity A

x

Quantity B

y

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