Solve the system by elimination. -x-18y =-3 ; 7x-9y=21

Assessment items item 1 garrett is a member of a movie club. he pays a monthly service fee of $5.75 and $2.50 for each movie he rents. which expression represents how much money he will spend for renting x number of movies a month?

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.

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x