Can someone please help me

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

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