Answer: B. 
Step-by-step explanation:
1. By definition, the associative property of addition is:

2. Therefore, if you have the following expression:

You apply the Asociative property of addition by regrouping the numbers as following:

3. Then, you can conclude that the correct option is B.
Answer:
13/12838(23)
Step-by-step explanation:
Nolege.
We can’t see those questions we don’t know what you are working on.
35×69=35*69
35*69=2415
hopes this helps
Answer:
-13
you're basically adding -3 and -10 because they're both negatives