The employees in a firm earn $8.50 an hour for the first 40 hours worked per week and $12.75 an hour for any additional hours worked over 40 hours. How much does an employee who works 47 hours in one week earn? A. $599.25

B. $429.25

C. $340.00

D. $89.25

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