Answer: The simplified form by combining like terms is given by

Step-by-step explanation:
Since we have given that

Now, we combine the like terms :
1) First we collect m terms :

2) Combine n terms and constant terms :

Hence, the simplified form by combining like terms is given by

Answer:
no
Step-by-step explanation:
It should be less then or equal too, seeing as they want to reach all the way across the room.
It’s a prediction so basically an estimate of how much students he thought were going to be there. An actual number is the real total.
It's B and C
hope this helps