(2a*5)-3 is the answer best way to say it can't explain
18 is 60% of 30. I know this because 10% of 30 is 3 and 3 * 6 is 18
The answer is B.4940. I found the picture of the pyramid u forgot to post. The volume for pyramid is lwh/3
Answer:

Step-by-step explanation:
we have

Eliminate the parenthesis

Group terms that contain the same variable

Combine like terms
