Employees at a hardware store are receiving pay raises. Dan's hourly pay rate is increasing from $12 to $14. Kathy's hourly pay rate is increasing from $13 to $15. Part A

Complete the proportions that can be used to find the percent change, x, in Dan's and Kathy's pay rates.

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