Angela needs $120 for a new skateboard. She has $25 in her wallet and is going to sell her comic book for $5 each to earn the rest of the money that she needs. 1. Write an equation that models the amound of comic books (b) she needs to sell in order to buy the skateboard.

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.