Q - 23 when q = 71 this is evaluating expressions

Which statements are true? see picture

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

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false