Write and, or, but to complete each sentence. here is a picture of it if you don't understand it. this is worth 28 points☺

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

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?

If you answer 2+2 you will get over 80 points