The pirate's plank has a perimeter of 18 feet and an area of 14 square feet. Which answer below most likely describes the length and width of the pirate's plank?                     A. ( l = 6 ft. w = 3 ft.  B.l = 14 ft w = 1 ft.   C.I = 7 ft. w = 2 ft.    D.l = 9 ft. w = 2 ft.