Please do not post a large list of questions that you have not even attempted yourself.
As a forum we are here to help you where you get stuck, not to simply do your work for you.
I'm posting the ones I can't figure out. Help me please.
1) 32a5 + 243 = 0 (that's 32a to the 5th power)
a =
2) a2 - 567 = 0 (that's a squared)
a = or a = (2 answers)
3) 1/7x2=77 (that's 1 over 7 x squared)
x = or x = (2 answers)