it means like 7x1=1 it means anything times 1 is the other # see the example i made Hope this helped!!
Identity in my opinion is who you are.well i dont know if it is real.. it dont really make sences
The additive identity is zero. When you add a number and 0, the sum equals the original number.
Gender identity disorder is defined as "a strong and persistent cross-gender identification . manifested by symptoms such as a stated desire to be the other sex, frequently passing as the other sex,...
It means the answer will always be 0.