Acircular ring is to be stamped out with a hole in the middle. the hole will have a diameter of 42 inches as shown in the picture below. about how big is the area of the ring?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !