He left a day early before the inauguration.
The answer is, B- The Subject Line
The opportunity cost of an item is what you give up to get that item.
Answer:
Set the classroom rules at the start of the year.
Have consistent expectations.
Set goals at the beginning of class.
Appropriate behavior should be reinforced.
Remain neutral during conflicts.
Search for the root cause of the misbehavior.
Student dignity matters.
Create individual plans for students.