Answer:
1) The sum of any integer and its opposite is equal to zero
2)The product of a positive integer and a negative integer is always a positive integer
3) if the signs are the same the quotient will be positive, if they are different, the quotient will be negative
5)the quotient of a positive integer and negative integer is sometimes be positive.
6) True, when two positive integers are added, the resultant number is also a positive integer
7)false the sum of two negative integers is a negative integer
8) The sum of any integer and its opposite is equal to zero, adding teo positive integers always yields a positive sum
10)true
I hoped I helped :)