Answer:
A, B, D, F is the answer to the question
Answer:
-3 1/3 , - 1 , -1/2 , 0 , 1 , 4 , 5 , 6 , 21/5
The answer would be 5
-2+7=5
-2+7 is like 7-2
For a cylinder

Since 

We know that's 64 cubic meters,

The sphere's volume is

Answer: 128/3 cubic meters
That may be that choice peeking out at the bottom; can't really tell