What do you do if you have 9 times 2

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 perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?