An equation that typically has a real-life application is called a(n)

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

Me with this one question, and i'll upvote the brainliest answer

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab