Express 3.813 as a mixed number

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Which number completes the inequality? 2/3 < _ < 7/9

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap