I need help does anyone know the slope intercept for this one?

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

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Simplify the expression 10/11(22z) + (a+5) -1