Answer:
None of the given option is correct.
Explanation:
The expression given is:
-18-(-9)
= -18+9
= -9
Now checking the options, which will have -9 as answer
1) 0 -18+2
= -18+2
= -16
As answer is not -9, so this is not a correct option
2) 9 -12-(-3)
= 9 - 12 + 3
= 0
As answer is not -9, so this is not a correct option
3) -10-5
= -10-5
= -15
As answer is not -9, so this is not a correct option
So, None of the given option is correct.