Final answer:
The result of the expression 8 - 25, which represents a withdrawal of $25, is -17.
Step-by-step explanation:
The expression given for representing a withdrawal of $25 is 8 - 25. To find the result of this expression, we subtract 25 from 8, which gives us -17. This is because when you have a positive number and you subtract a larger positive number from it, the result is a negative number. The number line represents this concept well; starting at +8 and moving 25 units to the left lands us at -17.