The distance from City A to City B is 75,300 metres. The distance from City B to City C is 51,800 metres. Ross drives from City A to City C through City B. He drives for 62,400 metres before taking a rest. What is the remaining distance that Ross has to drive to reach City C ? what is the answer for this question it's really urgent

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