Answer:
40.56
Step-by-step explanation:
2pir
8÷2=r=4
2pi4=25.13
25.13÷2=12.565
10+10+8+12.56=40.565
first, do 30-2 to get 28. 7-28 is -21. -21/7 is -3
2nd option on the top right
