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What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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