Over which interval(s) is the function increasing? a) (-7, -3) b) (-5.5, 0) c) (-∞, -7) and (2, ∞) d) (-∞, -5.5) and (0, ∞)

Measure a and b and find their sum. how are the angles related?

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.

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.