Use the table to answer the question.

Number of cars washed Total income ($)
6 42
8 56
10 70
What equation represents the relationship between the two variables? 

(1 point)
Responses

x=7y
x equals 7 y

y=x+2
y equals x plus 2

y=7x
y equals 7 x

y=x+14
y equals x plus 14