Find the volume of the cylinder.
Either enter an exact answer in terms of or use 3.14 for T.

Which of the following is not a subset of {1,2,3}?

What are the values of each variable in the diagram below?

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?