Pam's suitcase can weigh up to 50 pounds. she is planning to pack 5 school books, each of which weighs 2 pounds. she will also pack 3 notebooks weighing 1 pound each, and 6 boxes of golf balls weighing 2 pounds each. her clothing weighs a total of 16 pounds. write and evaluate an expression to show how many pounds pam has to pack.

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