Two years ago, Paul bought $350 worth of stock in a cell phone company. Since then the value of his stock has been increasing at
1 answer:
You might be interested in
Answer:
B
Step-by-step explanation:
So we have the formula:
And we want to solve it for r.
So, let's first divide both sides by π and h. This will cancel out the right side:
Now, take the square root of both sides:
And we're done!
Our answer is B.
I hope this helps!