Write the equation in vertex form using the following information: vertex (4, -6) and a=1. Submit

Don't know how to find x given these segment lengths

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

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?