context: ###List of Questions
  (1) Suppose 2*z + 3*c = 6, -52 = -4*z + c + 3*c. Solve 2*m + m + z = 0 for m.
  (2) Let w(k) = 15*k**2 - k. Calculate the lowest common multiple of w(-1) and 6.
  (3) Calculate prob of picking 1 v, 1 t, and 1 o when three letters picked without replacement from toofvvtfovrvvfooffv.
  (4) What is 7/3 of a millennium in months?
  (5) Calculate ((-4)/10)/(22/(-110)).
q_1: (1) Suppose 2*z + 3*c = 6, -52 = -4*z + c + 3*c. Solve 2*m + m + z = 0 for m.
q_2: (2) Let w(k) = 15*k**2 - k. Calculate the lowest common multiple of w(-1) and 6.
q_3: (3) Calculate prob of picking 1 v, 1 t, and 1 o when three letters picked without replacement from toofvvtfovrvvfooffv.
q_4: (4) What is 7/3 of a millennium in months?
q_5: (5) Calculate ((-4)/10)/(22/(-110)).