Answer:
n = 2
Step-by-step explanation:
Solve this like you would for an Algebra problem :)

Answer:
I can't see the whole picture, but if it's half of the circle, it's the radius. if the line goes all the way through the circle, it's the diameter
Just multiply the tops together and the bottoms together :)
The answer is 217 with a remainder of 20.
explanation is in the picture.