The equation used to predict the total body weight? (in pounds) of a female athlete at a certain school is y = -130 + 3.46 x1 + 1.55 x2 where x1 is the female? athlete's height? (in inches) and x2 is the female? athlete's percent body? fat, measured as x2?%. Use the multiple regression equation to predict the total body weight for a female athlete who is 66 inches tall and has 15?% body fat.