A circle has a circumference of 5 π. What would the area of the circle be?

What is coefficient of the term of degree of degree 5 in the polynomial below

Ithink i know it but i want to be sure so can you me out ?

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)