If p dollars is invested at interest rate r, compounded annually, for t years, the investment grows to A dollars, where A=P(1+r)t. Tever's parents deposit $7700 in a savings account when Trevor is 16 year old. The principal plus interest is to be used for a truck when Trevor is 18 years old. Find the interest rate r if the $7700 grows to $9024.75 in 2 years.

Solve the system of equations. y= 2x y= x^2 - 15

Find the multiplicative inverse of 8-12i

Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.