Help! I got 3 but it says its wrong. Anyone else have any answers that they solved for w/ proof?

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

Ineed with number 6 , explain how to get 1978

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take