If y is 15 times x, which equation shows the relationship between x and y?

y = 15 + x
x = 15 + y
x = 15y
y = 15x

Harry the hook has 7 1/3 pounds of cookie dough. she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?