Which equation can be used to represent, three minus the difference of a number and one equals one-half of the difference of three times the same number and four?

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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

What function has a range {yly< 5}? question on picture above^