Nth term of this sequence -5 -2 3 10 19

What is the domain of the function f(x)=^9x

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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