On average, ral correctly answers 12 out of 8 questions in a trivia game. assuming the situation is proportional, how many more questions is she likely to correctly answer if there are 36 questions in all? show work

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Which of the choices shown could be used to prove that aacp=abcp ?

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