8 groups is what i suppose
Hope this helps!!! ;-)
Answer:
A. seems to be the BEST choice from the information you have provided.
The answer of those that would support the fact that rational numbers are closed under addition would be the third one.
Hope I helped.
Answer:
Step-by-step explanation:
This question is either 1. lacking crucial information or 2. the image is not loading. Hence I could not reach a conclusion.