A+b= 17, ab=70, find the value of |a-b|

Which system of linear inequalities is represented by the graph? !

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.

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?