Respuesta :

emelyg2303

Answer:

3

Step-by-step explanation:

[tex]m\frac{10-4}{7-5} =\frac{6}{2} =\frac{3}{1}=3[/tex]

Answer:

The slope of ( -4 , 5) and ( -10 , 7) is perpendicular to this line

Step-by-step explanation: