What is the area of this composite figure? A figure is comprised of 2 rectangles. The rectangles are 10 feet by 6 feet, and 10 feet by 4 feet. 12 feet squared 80 feet squared 88 feet squared 100 feet squared

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?