Let tan x = 2.4, sin y = 0.6, and both x and y be between 0° and 90°. then cos(x + y) equals?

Solve the inequality and graph 6j - 7 < 5

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?