Which one is the right one?

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

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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?