Asquare has a side length of 4\19x - 9 units. what is its perimeter in terms of x?
a) 4\19x - 36
b) 16\19x-9
c) 16\19x-36
d) 16\19x +36

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