Please see my other questions and help asap i need to turn it in like 30 min

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 candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed