What is 1/2 + 3/5 estimated fraction with shown work plz

Aline passes through 3,7 and 6,9 what equation represents the line

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.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?