Answer:
I believe it is #1 or #3 again if I am incorrect I am sorry
Explanation:
7 is a half note. Thats the easy one
Guidelines are important in photography. They make the job of the photographer easier by making composing a photo easier. When the rule of thirds is applied to photographs or film it makes the art more pleasing to the viewers eye.
hope this helps !!
I believe the answer is A