Round "25,530,752" to the nearest million.

3. solve the given inequality and graph the solution on a number line.

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.

Find the difference (8ab+a+2) - (3ab+6)