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paula’s printing charges $21.50 for each t-shirt.
shantay’s shirts has a one-time set-up fee of $63 and then charges $18 for each t-shirt.

1. write a linear equation that represents the cost of buying t-shirts from paula’s printing. identify the meaning of each variable in your equation.
2..write a linear equation that represents the cost of buying t-shirts from shantay’s shirts. identify the meaning of each variable in your equation.

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.