Alright last question this time 30 points gooo

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 ?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y