14. peggy gets stuck in the back of an elevator and
can't get out. the elevator goes up 2 floors, down
5 floors, down 3 more floors, then up 1 floor. she
is now on the 4th floor. what floor did she start on?
hint: a vertical number line may you solve
this problem.

Tori examined the pattern of exponents in the table. based on the pattern, which statements are true? check all that apply.

John bought 2 horses at rs 20000 each

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