Choose all of the equations that are non linear

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

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.