Is 5 a rational or irrational

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.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What is the perimeter of square abcd? units units 28 units 37 units