context: ###List of Questions
  (1) Let w be (1 + 1/(-1))/(-1). Suppose -2*n + 20 = 3*n - 5*b, w = 4*b. Solve -r = g, n*g + 0 = 3*r + 28 for r.
  (2) Divide -651 by 3.
  (3) Suppose 6*l - 22 = 56. Calculate the remainder when 100 is divided by l.
  (4) What is prob of sequence heek when four letters picked without replacement from kehhkkhe?
  (5) What is 710.4317 minutes in seconds?
q_1: (1) Let w be (1 + 1/(-1))/(-1). Suppose -2*n + 20 = 3*n - 5*b, w = 4*b. Solve -r = g, n*g + 0 = 3*r + 28 for r.
q_2: (2) Divide -651 by 3.
q_3: (3) Suppose 6*l - 22 = 56. Calculate the remainder when 100 is divided by l.
q_4: (4) What is prob of sequence heek when four letters picked without replacement from kehhkkhe?
q_5: (5) What is 710.4317 minutes in seconds?