Respuesta :
Positive 9 because a profit means you are gaining money so it's positive and you are gaining 9 dollars so the integer is 9.
To deal with this question, we need to first of all define what an integer means.
- An integer is a positive or negative whole number or zero.
Now, we want to write a profit of $9 as an integer. What this means is that $9 was gained which is positive.
Thus, this will be a positive integer and so, we can write it as; +9.
- Read more at; brainly.in/question/12187081
