merger- 

1. How well did you follow the rule?i did very well, i think.
2. What is the subject ? the three students.
3. Is it clear to people looking at your photos what the subject is?no, but that's part of the rule.
4. If you didn't follow the rule well, what could you have done differently? cut the students off a little more

 thirds-

1. How well did you follow the rule? awesome.
2. What is the subject ? the three front row students
3. Is it clear to people looking at your photos what the subject is? yes
4. If you didn't follow the rule well, what could you have done differently? make the three people more clear, and less background.

 simplicity-

1. How well did you follow the rule? good, it's only the student with not much of a distracting background
2. What is the subject? the student
3. Is it clear to people looking at your photos what the subject is? very clear
4. If you didn't follow the rule well, what could you have done differently? none

 

 lines-

1. How well did you follow the rule? this is the best i could find for lines.
2. What is the subject ? the hand and the paper with lines
3. Is it clear to people looking at your photos what the subject is? yes
4. If you didn't follow the rule well, what could you have done differently? get a better picture of lines

 

balance-

1. How well did you follow the rule? i'm not sure, but i think this is balance.
2. What is the subject ? the student
3. Is it clear to people looking at your photos what the subject is? kinda
4. If you didn't follow the rule well, what could you have done differently? i'm not sure