context: ###List of Questions
  (1) What is prob of picking 2 f when two letters picked without replacement from {w: 2, x: 4, f: 1}?
  (2) Solve -i + z + 1 = 0, 17 = 2*i - 7*z + 2*z for i.
  (3) Evaluate 0/(((-2)/(-3))/(64/96)).
  (4) What is 3.03667 weeks in hours?
  (5) Let d(m) = 0*m - 5*m - 2 + 2*m + m. Let x be d(-6). What is the units digit of (-6)/x - 215/(-25)?
q_1: (1) What is prob of picking 2 f when two letters picked without replacement from {w: 2, x: 4, f: 1}?
q_2: (2) Solve -i + z + 1 = 0, 17 = 2*i - 7*z + 2*z for i.
q_3: (3) Evaluate 0/(((-2)/(-3))/(64/96)).
q_4: (4) What is 3.03667 weeks in hours?
q_5: (5) Let d(m) = 0*m - 5*m - 2 + 2*m + m. Let x be d(-6). What is the units digit of (-6)/x - 215/(-25)?