Answer:
1) 
3) 
4) 
Step-by-step explanation:
1. You can calculate the volume of a cylinder with the following formula:

Where
is the area of the base and
is the height.
2. Therefore, you only need to multiply the area of the base by the height in each option:
1) 
2) 
3) 
4) 
3. Therefore, the options 1), 3) and 4) have equal volumes.
Answer:b
Step-by-step explanation:
Answer:
9.2892856e+23
Step-by-step explanation:
have a good day!
Remark
This is like using the distributive principle only you are going backwards. Instead of trying to remove brackets, you are trying to create them.
Solution
Since you want to take - 6 outside the brackets you should divide both terms by - 6
<em><u>- 18a</u></em>: - 18a/- 6 = 3a which is left inside the brackets.
<em><u>-30:</u></em> - 30/-6 = 5
- 6(3a + 5)
Answer
-6(3a + 5)
Letter C)63=9x7, multiplication