If f(x)=x-3/x, g(x)=x+3, and h(x)=2x+1, what is (gohof)(x)

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?

Consider circle o, where and . m∠bpd °. °.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?