The total change in the outside temperature from 6pm to 10pm is represented as -12 degrees Farenheit. if the temperature changes by the same number of degrees each hour, how would you represent the change in temperature each hour?

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?