Write a related subtraction fact for 9 + 3 = 12. explain how the two facts are related.

17 in long 1.3 ft wide and 8in high what is the volume

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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