raina tutors math. for each hour that she tutors, she earns 30 dollars. let E be her earnings (in dollars) after tutoring for H hours. Write an equation relating E to H. Then use this equation to find raina’s earnings after tutoring for 17 hours.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters