The graph shows a proportional relationship between the number of books sold at a yard sale and the amount of money collected from book sales.
Book Sales Revenue
30
27
24
21
Revenue in dollars
18+
15
12
3
8 12 16 20 24 28
X

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

You are choosing between two health clubs. club a offers membership for a fee of $ 28 plus a monthly fee of $ 20. club b offers membership for a fee of $ 20 plus a monthly fee of $ 22. after how many months will the total cost of each health club be the same? what will be the total cost for each club? in __ months the total cost of each health club will be the same.