The square root of 12 is between a.) 3 and 4 b.) 4 and 5 c.) 5 and 6 d.) 6 and 7

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

Ineed here’s a picture of the question

What is the solution of the equation? 35√(x+2)3+3=27