Respuesta :

Answer:

57

Step-by-step explanation:

23ewrfgdxdf

Answer:

0

Step-by-step explanation:

[tex]\frac{y2 - y1}{x2 - x1}[/tex]

[tex]\frac{7 - 7}{2 - -7} = \frac{0}{9} = 0[/tex]