Find the length of mAB using the figure below
(please see photo)

Answer:
5
Explanation:
Look at the number line and count the number of increments needed to get from point A to B.
5 (units) is the answer
Step-by-step explanation:
-2 is point A
3 is point B
Find the absolute value then add
|-2| + |3| = 5
There's our answer, 5! Or the second choice