Hhelp ppleeeaasse

Restrictions on f(x) = 1/x+5 and g(x) = x-2

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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