What is the distance between the points (−7, 7)(−7, 7) and (−7, 8)(−7, 8) ?

1 unit

7 units

8 units

15 units
bob2005
what is the distance between the points (8, 3)(8, 3) and (8, −6)(8, −6) ?

3 units

8 units

9 units

17 units

what is the length of the line segment with endpoints (5,−7)(5,−7) and (5, 11)(5, 11) ?
bob2005
what is the distance between point a (−1, 3)(−1, 3) and point b (−7, 3)(−7, 3) ?

1 units

3 units

6 units

8 units