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name something cool you can makeup of an ordinary household object

Will give brainliest summations with algebraic expressions image shown

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.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?