The results of a swim meet are shown. Who swam the fastest? Chart:

name: event: time (s):

tawani 50-m freestyle 40.8
pepita 100-m butterfly 60.2
susana 200-m medley 112.4

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

If eh = hg and hg=16, find the diameter of k

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?