Premises: you are not eligible for a prize if you did not sign up for the steamboat trip. the boating club members are eligible for a prize. advertisements are often misleading and tempe people to draw conclusions that are favorable to a certain product determine which of the ads in exercises 27 through 31 pre- sent valid conclusions based on the first statements. draw a diagram and explain your reasoning

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