What’s the area of composite figure belowww

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5