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In the xy-plane, circle C is centered at (0, 3) and passes through the point (2, 0).

Quantity A

The area of circle C

Quantity B

13π


$$x$$ is a positive integers.

Quantity A

$$ (-1)^x$$

Quantity B

$$ (-1)^{-x}$$


The 25 numbers in list K have an average (arithmetic mean) of 20. List G consists of the first 10 numbers in list K , and list H consists of the last 15 numbers in list K. If the average of the numbers in list G is between 12 and 18 , which of the following values could be the average of the numbers in list H ?

Indicate all such values
M and N are two different points in the plane. Which of the following is true about the set of all points in the plane that are the same distance from M as they are from N?
Pam, Steve,and Adrian each had a party. The number of people at Pam's party was 6 more than the number of people at Steve's party. The number of people at Steve's party was 8 fewer than the number of people at Adrian's party. No one attended more than one of the three parties. If the total number of people at the three parties was 89, what was the number of people at Adrian's party?
20, 15, $$y$$, 27, 26, 12, 21

The list of seven numbers above represents the scores on a test of dexterity. The range of the seven scores in the list is 17. Which of the following could be the value of $$y$$?

Indicate all such values.
For each positive integer $$n$$, the function $$f(n)$$ is defined by the equation $$f(n)=2^{n(-1)^n}$$.

Quantity A

$$f(n+1)-f(n)$$

Quantity B

0


$$x^2z-xyz \lt 0$$

$$x \lt 0$$ and $$z \gt 0$$

Quantity A

$$x$$

Quantity B

$$y$$


When 9 gallons of a solution that is 30 percent alcohol are mixed with 18 gallons of a solution that is x percent alcohol, the resulting mixture is 25 percent alcohol. Which of the following is closest to the value of x?
How many three-digit positive integers have a tens digit equal to 3 or 5?
A certain triangle has sides of lengths 5, 12, and $$x$$. Which of the following could be the value of x?

Indicate all such values.


The table shows four different amounts of money invested on the same day at different simple annual interest rates. If each investment earns the same amount of interest for the first year after the investment is made, what is the value of $$y - x$$?
If $$x$$ is an integer, which of the following must be divisible by $$2$$?
Of the 83 members of a certain club, 48 members enjoy boating and 33 members enjoy fishing. If all except 10 of the members of the club enjoy boating or fishing or both, how many members enjoy boating but not fishing?


The diameter of the circle centered at O is $$d$$.

Quantity A

The perimeter of triangle AOB

Quantity B

$$\frac{5d}{3}$$


If $$t=h^2 +2$$ and $$h$$ is an integer from -5 to 2, inclusive, then the greatest possible value of $$t$$ is how much more than the least possible value of $$t$$?
A manufacturer is designing a closed box in the shape of a rectangular solid where the ratio of the width to the height to the length of the box is 1 to 3 to 5. If the volume of the box is 405 cubic inches, what is the total surface area of the closed box, in square inches?
In the $$xy$$-plane, line $$n$$ has $$x$$-intercept $$h$$ and $$y$$-intercept $$t$$, where $$h$$ and $$t$$ are positive numbers. Which of the following points must lie on line $$n$$?

Indicate all such points.
$$y$$ equals $$x$$ percent of $$x$$, where $$0 < x < 100$$.

Quantity A

$$x$$ percent of $$x$$

Quantity B

$$y$$ percent of $$y$$


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