FRACTIONS IT REALLY SIMPLE A REVIEW QUIZ

Use the distributive law to multiply. 3(4x + 5y + 6)

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?

Can someone tell me if this is perpendicular? !