In the graph above, which vertical line (v) and horizontal line (H) can be used to graph point C

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?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Solve this problem! extra ! 3025/5.5 = a/90.75