1.Which property justifies the statement if y=7 then 7=y?
A. reflexive property
B. identity property
C. symmetric property
D. transitive property
2.Which set of number is closed under subtraction
A. Natural number
B. Integer
C. Irrational number
D. odd numbers
3. Which property justifies the statement (a-b)*0=0
A. Inverse property
B. Associative property
C. Distributive property
D. zero product property​