The figure (see the link below) shows a shaded region and a non-shaded region. angles in the figure that appear to be right angles are right angles.
what is the area, in square feet, of the shaded region?
what is the area, in square feet, of the non-shaded region?

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?