Brand a: 8 ounces for $3.20 brand b: 12 ounces for $4.70 brand c: one pound for $5.92 brand d: 2.5 pounds for $15.65 frank did some comparison shopping for coffee and found the four brands listed. which brand is the best buy?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

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