Jaylen scores 75% in a spelling test with 40 questions. How many did he get right? *
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If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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