Mae Ling earns a weekly salary of $400 plus a 6.5% commission on sales at a gift shop. How much would she make in a work week if she sold $4,900 worth of merchandise?

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.

Math it's appreciated. (picture provided)

What is the slope of the line shown below?