The total profit of a manufacturing company in thousands of dollars is modeled by the function f(x) = -4x^2+144x-1040. Where x represents the selling price of each product in dollars. Draw a graph that best represents the total profit the company earns on different selling prices of its product.

Charlie tosses five coins.what is the probability that all five coins will land tails up.

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

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.