0.23 divided by 5.05 explain with steps

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

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What is the distance between the points (2, 5) and (5,9)?