Plz help I need it test due today

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

What is the radius of the cone in the diagram? round your answer to the nearest whole number