This is not a proper question. Try adding some more information so that it can be solved!
The system of equations is
3d+7p=61.25
12d+9p=107.25
Answer:
B. 56π
Step-by-step explanation:
Circumfrance = 2πr OR πd(r*2)
C = 2π(28) -> C = 56π
OR
C = π(28*2) -> C = 56π
It would be 9!!!
Hope that helps!!!
Two or more lines which have no intersections but are not parallel