2 2 4
— + — = —
7z 3x w

Find w

Consider the function f(x)=-5x+3 what is f(-2)

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?

Triangle pqr is similar to triangle xyz. what is the perimeter of triangle xyz?