Respuesta :

Answer:

The distance between those points is 15.

Step-by-step explanation:

1.   (x2-x1) = (9 - 9) = 0

2.   (y2-y1) = (16 - 31) = -15

3.   (0)^2 + (-15)^2 = 0 + 225 = 225

4.   √225 = 15

5.   15