To find a volume of a cylinder we use the following formula:

Plug in the values:

Take the square:

Multiply the numbers:
Answer:
15
Step-by-step explanation:
<em>I think your answer is fine</em>
This is easy onystly I think you should do it your self but the answer is number b
Answer:
When solving, Jacob did not distribute properly.
Explanation:
Let's talk about 5(x + 2). The correct distribution would be 5x + 10. Jacob distributed 5 into x correctly and got 5x, however he did not distribute the 5 into 2 properly. It should have been 10, however it stayed as 2.
Jacob should be more careful when distributing, and make sure to distribute into EVERY term inside the parentheses.