The depth of the Mariana Trench is 10911m concert to kilometers

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square