[ 2 ( 7 . 25 ) + 2 ( 24 )] - 10

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?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?