PLEASE HELP ME ILL GIVE BRAINLIEST TO WHOEVER ANSWERS

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

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?