8th grade geometry HELP PLEASE THIS IS ALREADY LATE AND IS COMPLETELY DUE SOON

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°