THE QUESTION IS IN BOLDED
PLEASEE HELPPP MEE I DON'T UNDERSTAND 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.

What properties allow transformation to be used as a problem solving tool

If square root x = -7, then x= -49 true or false