Answer:
V in the problem will be divided by the other variables/numbers so it must be on top of the equation. So that narrows out 1 and 2. Since the r^2 is no longer in any equation it means it has already been in it leaving 3 as the answer because it is finding the square root of the fraction.
Step-by-step explanation:
I believe 3 is the answer ^^
Good luck!
