Answer:
Sara spent 733.29
Step-by-step explanation:
Hmm, seems to multiply by 5
wait, no
first is multiply by 5
2nd is multiply by 10
3rd is multiply by 15
4th is multiply by 20
seems to be

or

the rule is square the input then multiply by 5
Answer:
the volume of the pipe is 649.98 cubic inches.
Step-by-step explanation:
We have been given that a collar of Styrofoam is made to insulate a pipe. We are asked to find the volume of the given pipe.
We will use volume of hollow cylinder formula to solve our given problem.

where,
R = Radius of external cylinder,
r = Radius of internal cylinder.
h = Height of cylinder.
substituting our given values in above formula, we will get:

Therefore, the volume of the pipe is 649.98 cubic inches.
Answer: i'm not sure i wrote the problem out correctly but if this helps please give me a thanks!
Step-by-step explanation: