What is the axis of symmetry for the graph of y – 4x = 7 – x2 ?

Ineed me i stuck and i don’t want to get it wrong

What are the greatest common factor of 75 and 30

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