What is the slope of the line that passes through the points (3, 2) and (-1, 2) ?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

The measure of an angle is 117°. what is the measure of a supplementary angle?

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?