Which expression is equivalent to 34 ⋅ 3−9? A. 1 over 3 to the 13th power
B. 1 over 3 to the 5th power
C. 35
D. 313

Sorry guys but as you have a small brain

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?

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