What is the best way to prevent an STD? A.
Only have one partner at a time.
B.
Take a shower after any sexual activity.
C.
Only have sex with an infected partner when the symptoms are gone.
D.
Practice abstinence.

There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?