Final answer:
The subject of this question is Social Studies, and the grade level is High School. Option 1: Additional security personnel would typically be dispatched if the LVMPD HQ Security Detail is not on-duty.
Step-by-step explanation:
The subject of this question falls under Social Studies. Social Studies encompasses the study of various aspects of society, including government, law enforcement, and community safety.
In this case, the question is related to the role of law enforcement in dispatching appropriate personnel when the LVMPD HQ Security Detail is not on-duty. The options provided are additional security personnel, SWAT team, K-9 unit, and crisis negotiators.
Out of the given options, option 1: Additional security personnel would typically be dispatched if the LVMPD HQ Security Detail is not on-duty.