Solve this system of equations using substitution. put your answer in ordered pair form,
(x, y).
5x + y = 1
3x + 2y = 2

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 1/√5+1/√5+1=p+q√r , find the values of p, q and r

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?