Answer: I'm not sure exactly how you want this answered.
Step-by-step explanation:
Just by simplifying the expression, I got 

First, add all the numbers together. 
Divide by the amount of numbers. 
is the closest, so that is the answer.
Cavalieri's principle states that if two solids of equal height have equal cross-sectional areas at every level parallel to the respective bases, then the two solids have equal volume.
Answer:
y= 14
Step-by-step explanation: