Respuesta :

Answer:

A or 15

Step-by-step explanation:

 

Answer:

c. 15 units

Step-by-step explanation:

√(x2 - x1)² + (y2 - y1)²

√(9 - 0)² + (-6 - 6)²

√(9)² + (-12)²

√81 + 144

√225

= 15