If the zeroes of the polynomial 3.x -11x + k are reciprocal to each other, then the value of k is

Nine more than four times a number is the same as one less than twice the number. find the number?

For what values of x is x2 + 2x = 24 true?

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