Answer: |18| is the greatest value.
Explanation:
- |-25|, |-16| and |-22| are all negative numbers. (Negative numbers are numbers that are less than zero.)
- |18| is a positive number. (Positive numbers are whole numbers that is larger than zero. On a number line these numbers come before zero and negative numbers)
- |18| is a greater value because it is a positive number.