Find the area A of polygon CDEFGH with the given vertices.

C(0,5), D(2,5), E(2,3), F(3,2), G(−1,2), H(0,3)

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