Find two numbers that differ by 8 and whose square roots differ by 1. Those two numbers are ___ and

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.

If 3x+8=3x+8 is it one solution or no solution

Ineed to know the answer to this algebra question.