Which table shows a proportional relationship between x and y? Responses x 1 4 5 10 y 15 60 70 120x 1 4 5 10 y 15 60 70 120 , x 3 4.5 8 12 y 2 3 4 8x 3 4.5 8 12 y 2 3 4 8 , x 8 12 14 16 y 2 3 4 5x 8 12 14 16 y 2 3 4 5 , x 1 2 5 7 y 5 10 25 35