Answer:
when x is any real number
Step-by-step explanation:
commutative property
I think it’s c or b but I’m positive it’s b
Neither train a or train b
Answer:
a) 
b) 
Step-by-step explanation:
We are given the equation:
y = mx + b
<h3>Part A:</h3>

<h3>Part B:</h3><h3>

</h3><h3 />
Hope this helps!