"Every accomplishment starts with the decision to try." "As we express our gratitude, we must never forget that the highest form of appreciation is not to utter words, but to live by them." "Those who dare to fail miserably can achieve greatly." "The ignorance of one voter in a democracy impairs the security of all."
13 is the answer. Mean means average. Add up all of your numbers to get 130 then divide by the numbers you have so 130/10 you get 13.
