Which equation could be the last step in finding the distance from point A to point B?

A coordinate plane. Point A is at (negative 2, negative 1). Point B is at (negative 2, negative 5).




5−1=45 minus 1 is equal to 4

5+1=65 plus 1 is equal to 6

2−1=12 minus 1 is equal to 1

2+2=4