Find −a2 − 3b3 + c2 + 2b3 − c2 if a = 3, b = 2, and c = −3 the numbers after the variables are exponents. so it's like -a2 is -a squared.

Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Which expression is equivalent to 3^3 + 2^2?