PLEASE HELP ME ANSWER THIS!!
2 [(12 + 2x) + (15 + 2x)]= 74.

Find the domain of the following expression: 1/(√x)-2

What does the sign of the slope tell you about a line?

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?