Zero
A zero pair
The answer depends on what is meant by "their opposites". If you mean additive opposites then the set is of all non-zero integers.
It is zero and that is simply because that is how additive opposites are defined.
Zero
Their total is zero.
Because by definition, there sum will always be zero. Because the definition of opposites are additive inverses.
opposites
These are the integers.
additive inverse property
"Size zero models" are used to describe female models that are able to fit into a size zero clothing (dress, pants, shirts,etc.).
In mathematics, two numbers are considered opposites if they are the same distance from zero on the number line but in opposite directions. In this case, -8 and 8 are opposites because they are both 8 units away from zero, with -8 to the left of zero and 8 to the right. This relationship is represented by the property that the sum of an integer and its opposite is always zero.