I have 2 questions

A circle with a small hole in the middle. The large circle has a diameter of 22 millimeters. The small hole has a diameter of 5 millimeters.

The Japanese 5 yen coin has a hole in the middle. What are the possible ways to calculate the difference between the distances from the outer edges and the inner edges of the coin? Check all that apply.

Subtract the two diameters and multiply by pi
Add the two diameters and multiply by pi
Subtract the circumference of the hole from the circumference of the coin.
Calculate the radius of the hole.

and how do you mark brainliest i forgot and i feel stupid for asking