In triangle abc, a = 9, c = 5, and angle b = 120á. find the measure of angle a to the nearest degree. show your work.

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?