3: for the following set of simultaneous equations: (a) form the augmented coefficient matrix (b) solve the equations by gaussian elimination x1 +2x2 3x3-5 3x1-x2 + 2x3 = 8 4x1 6x2 -4x3-2

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?

Which statement describes surface features called maria on the moon

Which of the following is the shape of a cross section of the figure shown below