An auditorium has 30 rows of seats. the first row has 20 seats, the second row has 22 seats, the third row has 24 seats, and so on. what is the total seating capacity of the auditorium

If f(x)= 3x+6 which of the following is the inverse of f(x)

Im literally having a mental breakdown

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