Respuesta :

Answer:

c) 0

Step-by-step explanation:

m= slope

m= (y2 -y1)/(x2-x1)

we have the points:

(12,6) and (-1,6)

x1= 12      y1= 6

x2= -1      y2= 6

so we have:

m= (6-6)/( -1 -12)

m= 0/ -13

m= 0