a scuba diver is swimming 25 feet below sea level. A hang glider passes over the position of the scuba diver. The hang glider is 30 feet above seal level. What is the vertical distance between the scuba diver and the hang glider?

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