HELP ASAP!!! this is for liberal arts math and im not to sure how to do this

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 ?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !