Which number line can be used to find the distance between (-1, 2) and (-5, 2)?
-7 6 5 4 3 2 1
+
2 3
0
1
+
6
-2 -1 0 1
2 3
4
5
7 8
1
2 3
-7 -6 -5 4 -3 -2 -1 0
1
2 3
4 5
-5 4 -3 -2 -1 0