The profit P from selling certain merchandise depends on the price S at which it is sold. The function P = -S^2 + 50S + 1100 models the monthly profit. What is the price that yields the maximum profit? What is the maximum profit?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Write the expression as a single natural logarithm. 2 in a - 4 in y

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?