PLEASE ANSWER URGENT THANKS

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

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane