What is the degree of the polynomial 2x^4+x^9+5x^6+5x
^5-7x^3

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 ?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.