Part D
Simplify the expression from part C to find the perimeter of the house in feet.

Ten times the square of a non-zero number is eqaul to ninety times the number

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?

What is the inverse of the function f(x) = 2x + 1?