Question on image. (4)

will report answers out of question. Thank you

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

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2