The measure of arc LMN = 2 mesure of angle LMN ==> 64°
N^2 should be the correct answer. Based on those numbers, it appears that the sum can be found by squaring the term n
If you add the two terms on the right, you will get 5^14. 14 is your answer.
The answer to your question is 42. The rule is 5 or more go up 1 . If the number is 4 les stay where it is. hope this help.