Denise is making necklaces and bracelets. she puts eight crystals on each necklace and three crystals on each bracelet. she needs to make 20 more necklaces than bracelets. she has 270 crystals. if she uses all the crystals how many necklaces and bracelets can she make?

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