Write an equivalent expression for 3x+12+7x+x

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.

The only way to identify an intercept is as an ordered pair. true false

Ihave trouble finding the nth term of a linear sequence