Which of the following expressions is a polynomial? 4a3+3a2+5a-9 32 y-3 x2-4x-2

Find the value of the cosine for angle a

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?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?