In the expression (x2 + 3), the base is

Rewrite the following without an exponent. (5/8)-1

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 expression is equivalent to 42x-56y