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Solve for x

-7.8(x+6.5)=-25.74

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.