Acotton candy vendor has 18 cones of blue cotton candy to sell. if the blue cotton candy is 50% of the total number of cones, how many total cotton candy cones does he have?

Tell whatever the ordered pair is a solution of the given system.

Dilations map circles to circles and ellipses to ellipses with the same. true or false

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