Which is the Best Buy $25.24 for 12 bottles of juice
$18.09 for 9 bottles of juice
$16.32 for 8 bottles of juice
$22.33 for 11 bottles of juice

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?

Which number produces a rationale number when multiplied by 1/5

For what values of x is x2 + 2x = 24 true?