I'll give brainlist if u give it's right answer

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth

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.

Which values of a, b, and e represent the answer in simplest form? a = 1.0=3,0 = 2 a = 1.6= 40, c = 24 @= 1.b= 16, c= 24 @= 1,6-2,c=3