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If the measure of xyz is 81 what is the measure of yz

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.

What additional information could be used to prove abc =mqr using sas? check all that apply.