David counts the quarters in his change jar. he has 24 more quarters than his brother rob. if r is the number of quarters rob has, which expression represent the number of quarters and david and rob have it all

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)