Respuesta :
Answer: 4
WHY?
Well 3, 7, and 9 are all ODD numbers BUT 4 is a even :3
**Sorry if wrong tried my best**
WHY?
Well 3, 7, and 9 are all ODD numbers BUT 4 is a even :3
**Sorry if wrong tried my best**
The answer is 7 because 7 is not often used and it does not relate to any operations. 5 9 and 4 can recreate a problem and number