Help ! I’m giving 50 points.

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.

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?