Two hundred people were surveyed about their favorite outdoor leisure activity. the results of the survey are displayed in the circle graph.

what percent of the people surveyed said they prefer swimming?

enter your answer in the box.

%

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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

X-10/4 when x = –18 a 7 b –2 c –7 d 2