Help plz i reeeaaalllyyy dont get it :(

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.

Which of the following points is collinear with (-2,1) and (0,3)

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?