What is a business plan? Why is it used?

Acoase solution to a problem of externality ensures that a socially efficient outcome is to

Which of the following is not part of the mission statement of the department of homeland security? lead the unified national effort to secure america protect against and respond to threats and hazards to the nation ensure safe and secure borders coordinate intelligence operations against terrorists in other countries

The answer here, x=7, is not in the interval that you selected in the previous part. what is wrong with the work shown above?