Respuesta :

The last because both x and y rise at the same rate. If you were to divide y with x, it should be the same number.
fluttershyponybutter

Answer:

the last one

Step-by-step explanation:

Reason:

  • 9/3 = 3
  • 15/5 = 3
  • 21/7 = 3
  • 0/0 = 0

They are all equal to 3 but except one 0/0 is 0 because anything divided or time 0 is zero

Hope this helps