Manolo has a toy in the shape of a triangular pyramid, as shown below. Note: Figure is not drawn to scale.

If x = 6 in, y = 7 in, and z = 12 in, what is the volume of the toy?

OA.252 cu in
OB.84 cu in
OC.504 cu in
OD168 cu in

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?