Ámmar hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes. how many miles of trail does ammar hike per hour?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?