please solve for the function and the function only for both of these problems for 10 points! thank you so much! :)

Me find the measure to side c and the process to solve the problem you appreciate it : )

The circumference of a circle is 60 pi cm3what is the radius of the circle

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.