Which is a pair of independent events? choosing one calendar date for sports practice and then choosing a back-up date choosing one card from a deck and then choosing one card from another deck choosing a pen to write with in class and then choosing another to let a friend use choosing a first place and then a second place work of art

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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