context: ###List of Questions
  (1) In base 14, what is -214a + -3?
  (2) Let z = 24 - -9. What is the remainder when z is divided by 9*(8/(-12) + 2)?
  (3) Let y be 0*((-9)/2 + 5). Solve -2*s - 4*h + 3 - 13 = y, 5*s - 2*h = 23 for s.
  (4) What is 173.7341 kilometers in micrometers?
  (5) Three letters picked without replacement from pbpebbeppppppebdpb. What is prob of sequence bdp?
q_1: (1) In base 14, what is -214a + -3?
q_2: (2) Let z = 24 - -9. What is the remainder when z is divided by 9*(8/(-12) + 2)?
q_3: (3) Let y be 0*((-9)/2 + 5). Solve -2*s - 4*h + 3 - 13 = y, 5*s - 2*h = 23 for s.
q_4: (4) What is 173.7341 kilometers in micrometers?
q_5: (5) Three letters picked without replacement from pbpebbeppppppebdpb. What is prob of sequence bdp?