Kelly joins powerhouse gym. the cost is $30 per month and a one-time $100 joining fee. lisa joins megamuscle gym for $35 per month and a $50 joining fee. in how many months will lisa have paid more than kelly?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

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