Zachary is shopping for new uniforms for work. he buys 2 uniforms, each of which include a pair of pants for $34 and a shirt. his total was $106 without tax.
what was the price of each shirt?

When you answer this can you explain

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

The area of a circle is equal to 1 dm². find the radius of the circle.