A system of three linear equations in three variables is consistent and dependent. How many solutions to the system exist? none one three infinitely many.

How can you decide witch operations to use to slice a two step equation

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

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the