Answer:
30
Step-by-step explanation:
9 + 13 = 22
22 + 43 = 65
65 + 55 = 120
120 ÷ 4 = 30
hope this helps
I think it would be (x+7)/7
At least 3. Have a nice day! :)
Circumference is given by

Area is given by

figure out the radius of the circle, then use it to find area