Arectangular bathroom mirror has a perimeter of 22 feet and an area of 24 square feet. what are the dimensions of the mirror

Can any one me with the answers to these questions asap?

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

How do i solve uniform motion problems?