Answer:
Step-by-step explanation:
the first one is correct
A
B and D have to be supplementary otherwise it wouldn't be a parallelogram
width =5.5ft
length =18
w=x
L=2x+7
area=w*L
99 = x(2x+7)
2x(x+9)-11(x+9)=0
(2x-11)(x+9)=0
2x-11=0
2x=11
x=11/2
x=5.5
L=2x+7=2*5.5+7=11+7=18