The answer for number 4: Temperature is an average of average heat. Heat is the average kinetic energy and thermal energy is kinetic energy.
(I can't see the answer for number 10... it would be good if you told me the question)
N ÷ 6 = 8
hope this helps good luck! =]
Sorry I was moving around taking the picture and my handwriting is sloppy. But I hope you understand how I got the answer