Answer:
The answer is C
Step-by-step explanation:
0=-8(6)+c
0=-48+c
48=c
-8=-8(z)+48
-8=-8z+48
-56=-8z
7=z
Is this a rectangle? If it is, then it is 9*8/9=8 square feet.
If it is a general parallelogram, there is not enough information to solve the problem because we don't know the height for certain.