The expression 4.5+ 2.5x represents the total cost, in dollars, of purchasing a souvenir pin and some postcards.

Give all possible names for the line shown. calculation tip: lines can be written with either point first.

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.

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.