Question
Which table represents a proportional relationship between x and y?
Responses

x 3 9 10 15
y 1 3 4 5
x 3 9 10 15 y 1 3 4 5

x 1 5 8 10
y 15 75 120 150
x 1 5 8 10 y 15 75 120 150

x 4 6 8 10
y 6 8 10 12
x 4 6 8 10 y 6 8 10 12

I don't know.