Julio has started his very own floral business. he sells centerpieces for $19.50 each. his fixed costs are $500 per month, and each centerpiece cost $8 to produce. let n represent the number of centerpieces you sell. write an equation to determine the cost, c. write another equation to determine the revenue, r.

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