There's a saying to this kind of equation: Rate + Time = Distance and B best fits the saying, so B must be right (Don't quote me on that, it may be wrong)
Answer:
About the distance across the United States or 3800 km (23612 miles)
Step-by-step explanation:



x=3.8.
Answer:
The associative property will be:

So, Option C is the correct option.
Step-by-step explanation:
We need to write the expression that uses the associative property to make it easier to evaluate: 
The associative property of multiplication states that: 
So, For the given expression:

The associative property will be:

So, Option C is the correct option.