Answer:
5
Step-by-step explanation:
<u>(n-2)180 = 108</u>
n
Distribute
180n-360=108n
-360=-72n
5=n
n=5
15% x 50 = 7.5
You can search these up in a calculator or in google if you want. The answers should be online.
It's 78.38
You have to square root
Answer:
I don't know if this helps, just a picture not a link