Mr. Kim is selling his old Ace of Base CDs. If he sells each CD at a price of X dollars, the quantity of CDs sold will be (-1,000x + 40). What price will maximize the revenue he earns?

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

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25