Please help me! :(( major grade.

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

Divide reduce the answer to lowest term 3/7 divided 1 1/6

The center on a target has a diameter of 5 inches. the whole target has a diameter of 25 inches. complete the explanation for what part of the whole target is the center. the center of the target takes up % of the whole target.