#1
I have this little chord proggresion, could someone tell me which chords these are and in what key this is?

1 -7--X--X--7--9---7--
2 -9--5--3--9--7---5--
3 -7--6--4--7--9---7--
4 -9--7--5--9--7---5--
5 -7--X--X--7--X---X--
6 -X--5--3--X--X---X--
#2
E7 A G E7 ? ?
1 -7--X--X--7--9---7--
2 -9--5--3--9--7---5--
3 -7--6--4--7--9---7--
4 -9--7--5--9--7---5--
5 -7--X--X--7--X---X--
6 -X--5--3--X--X---X--

Not too sure about the key...
#3
1st) E7
2nd) A
3rd) G
4th) E7
5th) A6
6th) G6
Been away, am back