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.
The last option, the y-intercept.
Hundredth: 142
Hundred: 100
Ten: 140
Tenth: 142<span />
<span>NCn is always equal to 1. </span>