Answer:
(A)398 cubic inches
Step-by-step explanation:
Given a cylindrical piece of iron pipe with the following dimensions:
- Height = 12 inches
- Diameter = 8 inches
Therefore: External radius =4 Inches
Since the wall of the pipe is 0.75 inch thick,
Internal Radius =4-0.75 =3.25 Inches
Volume of a Cylinder = 
Inside Volume of the Pipe

The correct option is A.
Answer:18.9 miles
1 inch=5.4
3.5 inches =3.5×5.4
=18.9miles
hope this helps
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Answer:
ok
Step-by-step explanation:
Answer:
I think -13 x and thanks for point