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r > 0

Quantity A

The area of a circular region with radius $$r$$

Quantity B

The area of a circular region with radius $$r^{2}$$


Set A={1, 5, 9, 13, 10}

Set B={1, 5, 9, 13, 9}

Set C={1, 5, 9, 13, 7}

Set D={1, 5, 9, 13, 5}

Which of the following statement illustrates the exact order of standard deviation of these sets of numbers from the lowest to the greatest?
The average (arithmetic mean) of the values of the homes in Town A is $100,000. The average of the values of the homes in Town B is $150,000. The number of homes in Town A is between 2 times and 3 times the number of homes in Town B. Which of the following values could be the average of the values of the homes in Town A and Town B combined?

Indicate all such values.
x+$$\frac{1}{x}$$=2

Quantity A

$$x^{2}$$+$$\frac{1}{x^{2}}$$

Quantity B

$$x^{3}$$+$$\frac{1}{x^{3}}$$




n is a positive integer

Quantity A

The remainder when n(n+1)(n+2) is divided by 6

Quantity B

1




In 1970 approximately what percent of United States residents were older than 5 but younger than 65 years old?
Of the 10 selected years, which had the greatest total number of United States residents in the combined age groups of "5 years and younger" and "65 years and older"?
Of the following which best describes how the number of United States residents that were in the age-group"5 years and younger"changed from 1900 to 1940?
The primary purpose of the passage is to


The two-sided stem-and-Ieaf plot shows the heights, in centimeters, of 20 players on Team A and 20 players on Team B. Each height is represented by a stem in the center and a leaf in the same row, according to the key. What is the median of the heights, in centimeters, of the 40 players combined?
In this otherwise ____________ study, the internal tensions resulting from the increasing integration of the United States with the world economy are simply mentioned rather than analyzed.
1+2+3+......+n=$$\frac{n(n+1)}{2}$$

For each integer n greater than 1, the sum of the first n positive integers is given by the formula shown.

If the average (arithmetic mean) of the first n positive integers is k, what is the sum of the first n positive integers in terms of k?


Quantity A

The area of triangular region XYZ

Quantity B

The area of triangular region KLM




The volume of a red container is 3 times the volume of a green container. What fraction of the green container is equal to $$\frac{1}{12}$$ of the volume of the red container?
On each side of a parade route, spectators occupy a sidewalk that is 10 feet wide and 1.5 miles long. The parade organizers estimate that the average amount of sidewalk space occupied per spectator is 6 square feet. Based on this estimate, which of the following is closest to the total number of spectators occupying the two sidewalks? (1 mile = 5,280 feet)

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