Multiply and simplifly this is fractions 6 1\4 x 4\5

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?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?