HELP ASAP 1. Stephen drove 240 miles in 3.75 hours. What is his average speed?
2. Emily traveled 1,437.5 miles in 2.5 hours by plane. What was the average speed of the plane?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Could somebody me with this radical simplification?