context: ###List of Questions
  (1) Let z be (0 - 6)/(-2) - -123. What is the highest common factor of z and 14?
  (2) What is 0 to the power of 1/3, to the nearest integer?
  (3) Suppose 2*w = 7*w - 30. Solve 2*y - 4 = w for y.
  (4) Calculate prob of sequence cbfw when four letters picked without replacement from rfbcrww.
  (5) How many nanograms are there in 6726.04kg?
q_1: (1) Let z be (0 - 6)/(-2) - -123. What is the highest common factor of z and 14?
q_2: (2) What is 0 to the power of 1/3, to the nearest integer?
q_3: (3) Suppose 2*w = 7*w - 30. Solve 2*y - 4 = w for y.
q_4: (4) Calculate prob of sequence cbfw when four letters picked without replacement from rfbcrww.
q_5: (5) How many nanograms are there in 6726.04kg?