The first answer gets ! which table represents a proportional relationship between the x and y values?

a. y: 7 9 3 -3
x: -6 -3 6 15

b. x: −3 y: 4
−1 6
1 7
3 10

c. x: 2 y: 3
3 7
4 11
5 15

d. x: −6 y: 7
−3 9
6 3
15 −3