It is given in the question that the formula of volume of cone is

Where V is the volume, r is the radius and h is the height.
And we have to find an expression for h.
First we multiply both sides by 3, and on doing that we will get

Now to isolate h, we have to get rid of pi r square by dividing.

Therefore the correct option is B.
Answer:
ENGLISHHH
Step-by-step explanation:
The options you gave are extremely confusing, but if you round 7.9 it is 8, and if you round $3.89 it is $4. Therefore, the best estimate would be 8•$4, or $32
This is experimental probability, since it is based on the outcome of an experiment.
Answer:
your friend is faster.
Step-by-step explanation:
2 km in 12 min means 3 km in 18 min.
you friend jogs those same 3 km in 16.5 min, so he or she is faster.