Answer:
13.7
Step-by-step explanation:
All you need to do is divide by 2, hope this helped!
Answer:
I dont really know how to do this, but I think you have to multiply
Step-by-step explanation:
Answer:
3.8
Step-by-step explanation:
it shows everything in the screen shot. sorry of it is messy
Answer:
<h2>

</h2>
Step-by-step explanation:

First of all multiply through by 8 to eliminate the fraction
That's

<u>Divide both sides by πr²</u>

Move 1 to the other side of the equation to make a stand alone
We have the final answer as

Hope this helps you