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Let $$S_8$$ represents the set of integers from 1 to 8, and let $$S_9$$ represents the set of integers from 1 to 9.

Quantity A

The number of the subsets of $$S_8$$

Quantity B

The number of the subsets of $$S_9$$ that contain the integer 9


In a sample of n people, 80 percent of the people filled out a questionnaire. If 65 percent of those who filled out the questionnaire are college graduates, what is the greatest possible percent of college graduates in the sample of n people?
3x+y=12

x+$$\frac{y}{3}$$=4

Quantity A

x

Quantity B

y


The operation @ is defined for all numbers x and y by the equation x@y=$$x^{2}$$+y

Quantity A

($$\frac{2}{3}$$@$$\frac{2}{3}$$)@$$\frac{2}{3}$$

Quantity B

$$\frac{2}{3}$$@($$\frac{2}{3}$$@$$\frac{2}{3}$$)


A line in the xy-plane has the equation y=mx+6, where m is a constant and 3 ≤ m ≤ 4. Which of the following could be the x-intercept of the line?

Indicate all such values.

Quantity A

x

Quantity B

y+z




A sphere, as shown above with a radius of 1 meter is rotating 360 degrees per second about its vertical axis. The speed, in meters per second, of a point on the sphere due to this rotation is in the range from
A stone was dropped into a still pond and produced concentric circular ripples on the surface of the water. The radius of the outermost ripple increased at a constant rate of x feet per second. If the area of the circular region enclosed by the outermost ripple was 400π square feet 10 seconds after the stone hit the water, what is the value of x?
A large cube consists of 216 small identical cubes. What is the number of small cubes that do not have a face that is part of a face of the large cube?


If 20 red cubes and 7 white cubes, all of equal size, are fitted together to form one large cube, as shown above, what is the greatest fraction of the surface area of the large cube that could be red?
Rhonda has 4 different jackets, 3 different skirts, 2 different blouses,and 4 different scarfs that can be worn as part of an outfit. If an outfit consists of a jacket, a skirt, and a blouse with or without a scarf,how many different outfits can Rhonda wear?
For which of the following values of x does the expression $$\sqrt{\frac{24}{x+1}}$$ represent an irrational number?

Indicate all such numbers.
How many distinct solutions does the equation |1-|x-215||=1 have?
$$\frac{x}{y}$$ - $$\frac{w}{z}$$ =2

Car A travels x miles within y hours, while car B travels w miles within u hours.

Quantity A

The time it took car G to travel x miles at the average rate of y miles per hour

Quantity B

The time it took car H to travel w miles at the average rate of z miles per hour



The triangle is inscribed in the semi-circle. If AB=12, BC=10, what is the area of the shaded area?

C is the midpoint of semicircle ABCD.

Quantity A

The area of region ABD

Quantity B

The area of region ACD


A solid right circular cylinder is inside a cubical box. The base of the cylinder rests flat on the bottom of the box, and the cylinder touches the sides and the top of the box. Which of the following is closest to the ratio of the volume of the cylinder to the volume of the box?
n is an integer

Quantity A

$$(\frac{1}{2})^{n}$$

Quantity B

$$(\frac{1}{3})^{n}$$


If x and y are integers, and 1 < -x < 4, 2 < y < 5, what is the least possible value of xy?
In the rectangular coordinate system, the distance between the points (a, 2) and (b, 6) is 5.

Quantity A

|a-b|

Quantity B

3


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