If marching bands vary from 21 to 49 players, which number of players can be arranged in the greatest number of rectangles?

Which equation represents the function on the graph?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two