How many weeks will it take to save 475?

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.

Standard deviation of 19,29,21,22,23

Factor the polynomial. b^2 + 4b + 4