Answer:
43.96 or c
Step-by-step explanation: formula is d times pi and that gives you c hope this helps god bless

if you have already covered slopes, you could also get it that way, in fact is simpler that way.
Answer:
1/4 of them were rotten
rotten ones = 1/4 × 12 = 3
ones that weren't rotten = 12 - 3 = 9
Commutative property of multiplication is shown above. This is because no matter how you put them, the answer will still be 140.