Please help me answer this for my grade !!

I will give braisnlt

Which of the following is the true for f(x) = 5cos

Abcd is a square. what is the measure of angle bac

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?