Toney tossed a coin off a bridge. The path of the coin's height can modeled by the equation below. h(t) = − 16 t^2 + 40 t + 20 What is the meaning of the 20 in the expression?

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.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)