3/8 to 7/8 percent change

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.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab