As chief executive, a president must do which of the following? select all that apply.
attend cerermonial events like the commemoration of d-day in france
oversee fifteen administrative divisions like the department of revenue
interpret federal laws for his cabinet secretaries
oversee law enforcement such as the federal bureau of investigation
veto legislation that is unconstitutional

All the options apply;

Explanation:

The Executive branch of Government is controlled by the President who is the Head of State and the Chief Executive. The Executive branch relates with the other two branches by enforcing laws passed by Legislative branch and esteemed legitimate by the Judiciary branch. The President of the United States serves a term of four years at a time. The President function in these capacities; Interpret federal laws for his cabinet secretaries,  oversee law enforcement such as the Federal Bureau of Investigation,  veto legislation that is unconstitutional, etc.  

can you explain a little further maybe give multiple choice? ?

i think it is the third one.