Which system of equations is represented by the graph? 1. Y= x + 4
y=x+4/x+2
2. Y= x - 4
y=X+4/X+2
3. Y= x + 4
Y=X-4/x+2
4. Y=x-4 y=x-4/x+2

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?