Is it increasing or decreasing ? for the left and right

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

What is the range? can’t seem to find it out

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.