Relax

Respuesta :

use the distance formula for this which is:
Sqrt[ (x2-x1)^2 + (y2-y1)^2]
If that is hard to read look it up but pretty much its:
Sqrt [(-12 -12)^2 + (-2-5)^2]
Sqrt [(0)^2 + (-7)^2]
Sqrt [49]
7