If a and b are real numbers such that a > 0 and b < 0, then which of the following is equivalent to
Jal - b?

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

Can someone me with my math problem pls my teacher is on my back about this

What is the surface area of a cube with the volume of 729 ft?