There are 4 cups of flour in 3 batches of cookies . How many cups are in one batche.

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 of these tools or constructions is used to inscribe a hexagon inside a circle?

Find the value of x for which line a is parallel to line b