Estimate the value of 50.75 times 0.18

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 ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

What’s -11-33k and factor each expression completely