B. {1,2} because they are both whole numbers 0 is not one.
(Proof: Whole Numbers: This set is closed only under addition and multiplication. Integers: This set is closed only under addition, subtraction, and multiplication. Rational Numbers: This set is closed under addition, subtraction, multiplication, and division (with the exception of division by 0)"
Answer:
Yes they are
Step-by-step explanation:
4 quadrant because on a graph a + and + are 1 then a - and a + are 2 then a - and a - are 3
What In the world that is not a problem