If a bird had 20 thousand feathers and each feather weighed 0.35 grams how many pounds would the frathers weigh. (don't worry about the weight of the actual bird)

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