A) A 5-kilogram bag of dog food costing $16.95 B) Two 2-kilogram bags of dog food costing $4.75 per bag

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)