U didn't mess up....
V = pi * r^2 * h....divide both sides by (pi)r^2
V / (pi)r^2 = h
Answer:

Step-by-step explanation:
In order to solve this, we are trying to find the value of
. Basically,
is a placeholder for a number that is unknown. Some number minus 3 is equal to 21.
Our goal is to find
. To do this we want to isolate
on one side of the equation

Let's add 3 to both sides.

Hope this helped!
Answer:
2/7<4/5<5/6<7/9
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
First add -16 to -8.
your equation then is n=8.
You get your answer.
Answer: 1. Yes
Step-by-step explanation: They are paralell because they create a straight line and will never interscect each other