Marcia used 1 1/3 yards of fabric to make 2/3 of a costume. How many yards of fabric will she need to make five costumes?

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Fiona joins a fruit of the month club. the entry cost was $25 and then she pays $18 per month. if she participates for 8 months, how much will she pay in all? how much in 10 months?

Which representation has a constant of variation of -2.5