Answer:
B
Step-by-step explanation:
Let say, a=9,b=11,c=6
Then associative properties says that every element is related to each other, here "b" associates a &c.
Therefore, a is related to b+c
c is related to a+b
Answer:
D
Step-by-step explanation:
You just need to calculate it as usual. Might as well do in fraction form for clearer understandings
The correct answer is the last set of numbers