Write a compound inequality that represents each situation. graph your solution.
all real numbers at least –8 and at most 0
a. -8< x< 0
b. -8≥x≥0
c. -8> x> 0
d. -8≤x≤0
i know how to do the graphing part. but i cant figure out the answer.

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