What is (9w)^2 (in other words, to the power of two.)

What is the result of adding the system of equations? 2x+y=4 3x-y=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?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct