Evaluate the expression when x = 12 and y = 2. x/3y

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Which is f(5) for the function –2x2 + 2x - 3?

What percent of 18 is 24? and plz explain thx.