eric is landscaping his backyard the backyard is currently 20 by 14 feet he is going to put a brick border on the yard and fill in the rest with artificial grass as shown above dimensions of the grass portion in feet are shown above with x repressing the width of the brick path

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