This is a 3rd grade math question. I don't know how to explain it to a 9yr old

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Two lines parallel to the same plane are parallel to eachother

Can someone answer this question? : )