What about 6 8 and 19? what triangle is that( all inches )

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

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 y varies directly as x2 and y=6 when x=6, find the constant of variation.