There Is a lot of loneliness on the novel Mice and Men, One example could be Crooks, nobody talk to him because he's "black" and also another good example could be Candy when Carlson killed his dog he felt alone and lonely and Also Curly's Wife, Curly didn't want her talking to everybody and she was lonely
P.S. I love this book and I'm not 100% sure It's Carlson who killed Candy's dog
One skill could be to not<span> rush it—make time for face-to-face contact.</span>

1) x=9, because we can use the Pythagorean theorem, x^2 + 144 = 225, x^2 = 81
2)
, because 6^2 +6^2 = 72, 
3)
, because 
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1. Motivation
2. Reprimand
3. Constructive Criticism
4. Hygiene
5. Sanitation
6. Dysentery
7. Purified
8. Disinfect
9. Accountability
10. Delegate
11. Morale
12. Persuade
13. Authority
14. Dealership
15. Discipline
16. Galvanized
17. Scholarship
18. Telling
19. Single
20. Consulting