Respuesta :
[tex]\text{Put the value of x = 4 to the expression}\ \dfrac{x-12}{x-8}:\\\\\dfrac{4-12}{4-8}=\dfrac{-8}{-4}=2\\\\Answer:\ \boxed{C.\ 2}[/tex]
[tex]\text{Put the value of x = 4 to the expression}\ \dfrac{x-12}{x-8}:\\\\\dfrac{4-12}{4-8}=\dfrac{-8}{-4}=2\\\\Answer:\ \boxed{C.\ 2}[/tex]