Mid point of countinious ab if a=(-2,2) and b = (3,-1)

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

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.

Anyone know? will mark brainliest if correct