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


1) 2+2=4
2) 5-1=4
3) 2-1=1
4) 5+1=6

PLEASE HELPWhich equation could be the last step in finding the distance from point A to point B1 2242 5143 2114 516 class=