Find the values of the variables. Leave your answer in simplest radical form

If you answer 2+2 you will get over 80 points

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?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0