Answer:
6. A - because deposit represents a positive integer
7. D - because negative is lower than a positive number while -7 is less than -2 because -2 is at the nearest distance from 0
8. B - obviously the answer is -2
9. D - because it is a whole number, actually 1.25 is not an integer so the answer will be either C or D
10. A - because 3 is rising ahead than their opponent so the answer is positive 3