Which of the following statements must be true whenever n, a, b, and c are positive integers such that n < a, c > a, and b > c?
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The graph above shows the sales by month for the Greenvale and Smithtown branches of SuperBooks. From January through May, how much more money did the Smithtown branch gross in sales than the Greenvale branch?
In the diagram above, what is the area of the rectangle?

The lengths of the 2 legs of right triangle ABC shown below are given in inches.

The midpoint of

is how many inches
from A?
The value of d is increased 50%, then decreased 50%.
Compared to its original value, the value of d is now:
A circle has a circumference of 16π feet.
What is the radius of the circle, in feet?
In the diagram above, line AB is parallel to line CD, both lines are tangents to circle O and the diameter of circle O is equal in measure to the length of line OH.

If the diameter of circle O is 24 in, what is the measure of

?
Greg has nine paintings. The Hickory Museum has enough space to display three of them.
From how many different sets of three paintings does Greg have to choose?
The volume of a glass of water placed in the sun decreases by 20%.
If there are 240 ml of water in the glass now, what was the original volume of water in the glass?
Which of the following is equivalent to (12x 2 + 4x + 5y) + (3x 2 - 2x + 3y) = 15x 2 + 2x + 8y?