If the volume of a ball is 32,490 cubic millimeters, what is the volume of the ball in cubic centimeters?

(1 millimeter = 0.1 centimeter)

What is the remainder when 3²⁴ is divided by 5 ?

What is the value of 2x² - 2.4x - 1.7 for x = 0.7 ?

At a certain pizzeria,~$1 \over 8$~of the pizzas sold in one week were mushroom and ~$1 \over 3$~ of the remaining pizzas sold were pepperoni. If n of the pizzas sold were pepperoni, how many were mushroom?

If xy > 0 and yz < 0, which of the following must be negative?

If a basketball team scores an average (arithmetic mean) of x points per game for n games and then scores y points in its next game, what is the team's average score for the n +1 games?

If~$3 \over 10^4$~ = x%, then x =

Salesperson A's compensation for any week is $360 plus 6 percent of the portion of A's total sales above $1,000 for that week. Salesperson B's compensation for any week is 8 percent of B's total sales for that week. For what amount of total weekly sales would both salespeople earn the same compensation?

If a and b are positive integers, is~$\sqrt[3]{ab}$~ ab an integer?

(1)~$\sqrt{a}$~ is an integer.

(2)~$ b =\sqrt{a}$~

For all numbers s and t, the operation * is defined by s * t = (s - 1)(t + 1). If (- 2) * x = - 12, then x =