Aschool ice hockey game has three 20-minute periods. collin plays 12 minutes each period. which ratio represents collin's playing time compared to the total number of minutes of playing time possible?

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