context: ###List of Questions
  (1) What is thirty-one fifths of a gram in milligrams?
  (2) What is (-14)/(-10) - 1 - (-135)/225?
  (3) Two letters picked without replacement from {u: 2, x: 8}. Give prob of picking 1 x and 1 u.
  (4) Let i(h) = h**2 + 2*h - 4. Let k be (2/(-3))/(3/(-9)). Calculate the remainder when i(-5) is divided by 6/(0 + 3/k).
  (5) Solve 3*t - 4*g - 5 - 11 = 0, -11 = -3*t - g for t.
q_1: (1) What is thirty-one fifths of a gram in milligrams?
q_2: (2) What is (-14)/(-10) - 1 - (-135)/225?
q_3: (3) Two letters picked without replacement from {u: 2, x: 8}. Give prob of picking 1 x and 1 u.
q_4: (4) Let i(h) = h**2 + 2*h - 4. Let k be (2/(-3))/(3/(-9)). Calculate the remainder when i(-5) is divided by 6/(0 + 3/k).
q_5: (5) Solve 3*t - 4*g - 5 - 11 = 0, -11 = -3*t - g for t.