Knowing that a 6.2% social security tax is applied to a maximum wage of $106,800, the maximum amount of social security tax that could ever be charged in a single year is:

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