1. For which of the following functions is f(-5) > f(5)?
2. For what value of n would the following system of equations have an infinite number of solutions?
3. If x and y are positive integers such that the greatest common factor of x2 y2 and xy3 is 27, then which of the following could y equal?
4. Given consecutive integers r, s, t, and u such that r < s < t < u, which of the following expressions has the greatest value?
5. What is the distance in the standard (x, y) coordinate plane between the points (0,1) and (4,4)?
6. The sides of a triangle are 9, 12, and 15 centimeters long. What is the angle between the 2 shortest sides?
7. In the pentagon shown below, one interior angle measures 40°. What is the total measure of the other 4 interior angles?
8. For real numbers r and s, when is the equation |r - s| = | r + s| true?
9. What is the value of log4 64?
10. How many different positive three-digit integers can be formed if the three digits 3, 4, and 5 must be used in each of the integers?