Find the percent of the number. 250% of 146 is?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Find the area of the regular hexagon if a side is 20 cm.

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