What is the percentage difference between 26 and 38?

Taking algebra two apex courses and need with these questions

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation