Mary had swimming lessons every 3rd day and diving lessons every fifth day. if she had a swimming lesson and a diving lesson on january 6th, when is the next date on which she will have both a swimming and diving lesson?

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

Which number completes the inequality? 2/3 < _ < 7/9

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual