2x+5y=20 in slope intercept form

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

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

State one method by which you can recognize a perfect square trinomial.