Which of the following gives an example of a set that is closed under multiplication? choose all that apply. the product of a prime number and a prime number the product of a whole number and a whole number the product of a negative number and a negative number the product of a natural number and a natural number more than one answer

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.