You have 50 feet of fencing that you will use to put around your new rectangular garden.
Give at least three different options for what dimensions your garden would be to use exactly 50
feet of fencing. For each option, what is the area of your garden?

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?