Kevin uses 2/3 cup of flour to make 2 servings of biscuits. how many cups of
flour are there per serving? how many cups of flour should kevin use to
make 7 servings?

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.