A rental agency has 12 white sedans, 8 gray sedans, 6 red sedans, and 3 green sedans. Mr. Escobar rents a sedan. What is the probability that Mr. Escobar was given a green sedan or a gray sedan?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit