Sam lived 4 miles from his school. if he rode his bike 2/7 of the distance and then walked the rest, how far did he ride his bike?

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

Which number produces an irrational number multiplied by 1/3

The curved part of the figure is the semicircle what is the best approximation for the area of this figure