Maggie's brother is 4 years younger than three times her age. the sum of their ages is 52.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

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?

Find the missing factor. write your answer inexponential form.9^2=9^4×