What is 80/84 in simplest form

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.

Which expression is equivalent to sq-80

Evaluate the expression. (9 + 5)(3 + 2)0