Need solving this. check the picutre

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

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Which statement best explains why ben uses the width hi to create the arc at j from point k