After a certain medicine is ingested, its concentration in the bloodstream changes over time.
The relationship between the elapsed time, t, in minutes, since the medicine was ingested, and its
concentration in the bloodstream, Chminute (t), in mg L, is modeled by the following function:
Cminute (t) = 61 - (0.96)
Complete the following sentence about the hourly rate of change in the medicine concentration.
Round your answer to two decimal places.
Every hour the medicine concentration decays by a factor of

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Measure of angles 31 (x+4) (3x+9) me

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