60 minutes = to how many hours

Which expression is equivalent to 4 square root 6 divided by 3 root 2

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?

Simplify. 3(4+4x) (type your answer in with no spaces)