context: ###List of Questions
  (1) What is the value of (-2*4/(-72))/(1/(-2))?
  (2) What is prob of picking 3 g when three letters picked without replacement from {g: 12, j: 1}?
  (3) Solve 5*w + 3 = -2 for w.
  (4) Suppose 5*d + 2*m - 50 = 0, d + 4*m - 8 - 2 = 0. Let w(x) = -x**2 + 11*x - 9. Let r be w(d). Calculate the remainder when 17 is divided by (-33)/(-3) - 2/r.
  (5) How many millilitres are there in three eighths of a litre?
q_1: (1) What is the value of (-2*4/(-72))/(1/(-2))?
q_2: (2) What is prob of picking 3 g when three letters picked without replacement from {g: 12, j: 1}?
q_3: (3) Solve 5*w + 3 = -2 for w.
q_4: (4) Suppose 5*d + 2*m - 50 = 0, d + 4*m - 8 - 2 = 0. Let w(x) = -x**2 + 11*x - 9. Let r be w(d). Calculate the remainder when 17 is divided by (-33)/(-3) - 2/r.
q_5: (5) How many millilitres are there in three eighths of a litre?