Two motorcycles head toward each other from opposite ends of a freeway 1584 miles long. If the speed of the first motorcycle is 67 miles per hour and the speed of the second motorcycle is 65
miles per hour, how long will it take before the motorcycles pass each other?
hours

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

The value √10 and √15 are plotted on the number line

Which is the completely factored from of xy^3-x^3y