An organization with 2n people consists of n married couples. a committee of size k is selected, with all possibilities equally likely. find the probability that there are exactly j married couples within the committee.

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

Asphere has a diameter of 10 in. what is the volume of the sphere?