Ann is preparing for the valentine's day dance. she is cutting out 476 hearts a day. if she cuts out hearts for 18 days, how many hearts will she cut in all

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?