Find the value of x? Help me out!!

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?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

What is the result of adding the system of equations? 2x+y=4 3x-y=6