Ma'am Karen designed a rectangular garden. Her garden has a length of (a-4) meters and width of (a - 8) meters. If the area of the garden is 117 square meters, what is the
measure of its length and width?
A.I= 9, w= 13
B. I = 13, w = 9
C. l = 4, w = 8
D. I = 8, w = 4​