Acircular bicycle reflector has a diameter of 5 cm. what is the approximate area of the reflector? use 3.14 to approximate pi and round your answer to the nearest hundredth. cm2

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.

Which of those sequences is a geometric sequence

Which expression gives you the distance between the points (5,1)and(9,-6)