Answer:
Billy is a fly enthusiast! He has a huge glass container filled with 506 flies! One day when Billy went to feed the flies, he accidentally left the screw opened for too long, and 8 flies escaped! How many flies are left in the tank?
Answer: he will make $2784 in 60 days
The first one u circled is a single rotation
-9(c+4)(c-4)
this is the answer to your question