Please help, need now. Will grant brainliest if correct, i can’t fail

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

I’m stuck on this equation, anyone got 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