Solve for X. Please show work

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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?