The answer is d, have a good day
Answer:
there is none
Step-by-step explanation:
The formula for the volume of pyramid is,

Here, B is base area and height of pyramid.
The volume expression for group 4 is,

Here, expression,

represents the base area and 9 represent the height of pyramid.
So height of the pyramid created by group 4 is 9.
Answer: 9
False I think it doesn't add up to 18
I believe the answer is 5. Hope this was right for you.