(a) A ball weighs 12 oz, a doll 16 oz, and a car 16 oz. The total weight of all the toys is 1440 oz. Determine the number of each type o toy purchased. Write a linear system of equations. Let x be the number of balls, y be the number of dolls, and z be the number of cars. Choose the correct answer below. O A. x+y+z=1440 8x+y+2 = 96 16y + 16z =96 12x + 12y + 16z = 1440 2x + 3y +4z =281 2x + 16y + 4z =281 OC. x+y+2=96 D.x+ y+2 = 96 12x + 16y =281 12x + 16y + 16z = 1440 2x + 3y +4z =1440 2x + 3y + 4z =281 There wereball(s). doll (s) , and car(s )