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

This property says that you can group the numbers in different ways and you will obtain the same result.
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:
C 315
Step-by-step explanation:
(12 + 30) * 15/2 = 315
Answer:
no i cannot
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
A balloon rose 32 feet in the air then it fell down to the ground
Step-by-step explanation: