Please help me understand it and give me answer

Which system of linear inequalities is graphed? can somebody pleasssse

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Which of the following is correct interpretation of the expression -4+13