I need help. Step by step please.
28.
The set of all points in a plane that are 5 cm from a circle with radius 2 cm.
30.
The set of all points in space that are a distance 6 in. from AB

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

How can you find the mean absolute deviation (mad) for this set of data?