Are these the right answers ? If not please correct me

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Two lines parallel to a third line are parallel to each other. always sometimes or never

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