If x2+2=6x is solved by completing the square, an intermediate step would be

What percent of the circle below is shaded?

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?

If the value of cos330°is√3/2 then find cos 165°.