You are working a part-time job working 20 hours a week. After a week you earn $312. How much do you earn hourly? Write an equation in the form of y=mx+b to represent your hourly earnings. How much will you earn for working 15 hours per week?

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