Atriangle is cut from a rectangle. the height of the triangle is half of the unknown side length s s . the area of the shaded region is 84 square inches. write an equation you can use to find the side length s s .

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