1. A circle has a diameter of 8 inches. What is the area of the circler 0 25.12 square inches
200.96 square inches
O 50.24 square inches
O 12.56 square inches

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

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

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase