Since ABCD is parallelogram these rules apply:
Since
this implies that 
The answer is D.
Hope this helps.
r3t40
27 cubic feet.
You can get this because the surface area formula shows that each edge is 3ft. the area would be length x width x height, which are all 3.
Answer: The rest of the statement is (3x+1) = 3x²+22x+7.
Answer:b
Step-by-step explanation: