Some months have 30 days, some months have 31 days. How many months have 28 days?

If a doctor gives you 3 pills and tells you to take one pill every half hour, how long would it be before all the pills had been taken?

15 point ! ~ see if you know the answer to both you!

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

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