A Composite figure consists of two Square pyramids. The base is 16, The height is 22, and the slant height is 30. what is the surface area? (and volume). (Do not include the base of the pyramid)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent