Which shows all the prime factors for 84?

a.
2 • 2 • 2 • 3 • 7

b.
2 • 2 • 3 • 7

c.
4 • 21

d.
2 • 42

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.

While on vacation in mexico jeremiah reads a distance marker that indicates he is 89 kilometers from juarez. if 1 mile is approximately 1.61 kilometers,how far is jeremiah from juarez to the newest tenth of a lie

If two angles are complementary, which is the sum of their measurements? a. 45o b. 90o c. 120o d. 180o