What is the solution to this system of equations? x = 12 − y 2x + 3y = 29 a. x = 8, y = 4 b. x = 6, y = 6 c. x = 7, y = 5 d. x = 9, y = 3

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.