A volleyball team drank 7.5 liters of water during their mat9. How many milliliters of water did the volleyball team drink?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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