what common problems do teenagers have?what do they worry about? what should they do about these problems

In the following sentence which word is abstract noun quincy insisted that each one of his teammate members demonstrate loyalty members team quincys loyalty

Pls needs hypehen or no hyphen 1. after serving as principal for ten years,mr. jones will resign this year 2. it's sixty seven degrees outside and it's only february!

Write an essay on your aim in life to become engineer