Respuesta :

Answer:

C. 17

Step-by-step explanation:

48 - 31 = 17

65 - 48 = 17

82 - 65 = 17

and so on.

Answer:

C. 17.

Step-by-step explanation:

48 - 31 = 17

65 - 48 = 17

82 - 65 = 17.