Two runners in a marathon determine that the angles of elevation of a news helicopter are 39.5 degrees and 42 degrees. if the helicopter is 1950 feet directly above the finish line how far apart are the runners?

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.