Prove: there is a second degree polynomial psuch that p(0) =
-1 and p(-1) = 2.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

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?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution