What is the total surface area

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

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose