Katelyn owns 140 shares of a stock valued at $39 a share before a 3-for-2 split is announced. after the split, how many shares of stock will katelyn own and what is the new price per share?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

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

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?