Which situation can be described by the expression 3x + 9? a) 9 equal stacks of shirts on 3 tables b) 3 equal stacks of shirts plus 9 more shirts eliminate c) 9 shirts more than 3 shirts d) 9 shirts in each of 3 stacks

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