Agardener plants seedlings in a line in small enclosures formed by bricks. each extra seedling planted means two extra bricks are needed. the formula for the number of bricks needed for n seedlings is (2n+2).write down an equation and solve it to calculate the number of seedlings that can be planted when there are 78 bricks.

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.