How can you rewrite 12 -− (-5) as an addition problem?

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Collin did the work to see if 10 is a solution to the equation r/4=2.4

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