Lexi earns the same amount of money, x, every time she mows the lawn. In June, Lexi had to spend 5 dollars of her earnings on fuel for the lawn mower. The amount of money Lexi made mowing lawns in June can be found using the expression, 9x−5. What does the "9" represent in the expression, 9x−5?

A. how much money Lexi spent on fuel in June

B. how many times Lexi mowed the lawn in June

C. the amount of money Lexi made each time she mowed a lawn in June

D. the amount of money Lexi made in June

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