I’m in an exam, answers ASAP please

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.