Question

Simplify.
http://media01.owotw.com/g_alg01_2011/12/img_test_problem39a.gif

Answer 1

I'm not too good at explaining, so I'll just say the answer is 3/(y-3) (I think...)

Answer 2

ok

Answer 3

\[\frac{\frac{y}{3}+1}{\frac{y^2}{9}-1}\times\frac{9}{9}=\frac{3y+9}{y^2-9}=\frac{3(y+3)}{(y-3)(y+3)}=\frac{3}{y-3}\]