Answer:
- 17 (B)
- 23 (C)
- 17 (B)
- 9 (A)
Explanation:
The distance between two points on a number line is the difference between the rightmost point and the leftmost point.
1. 11 -(-6) = 11+6 = 17
2. 8 -(-15) = 8+15 = 23
3. -3 -(-20) = -3+20 = 17
4. 16 -7 = 9