PLEASE HELP SOON!! Analyze the solution to the system to determine whether there is a catapult arm length that Aiden and Natalie can both use to launch their tennis balls the same distance. Explain your reasoning

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.