Simplify the expression by using the distributive property 2(3x-5)​

Just tell me how to set up the equation.

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5