context: ###List of Questions
  (1) Let d(u) = 23*u - 66. What is the hundreds digit of d(10)?
  (2) What is 988116.2 minutes in milliseconds?
  (3) Two letters picked without replacement from {q: 2, h: 1, p: 4, e: 8}. What is prob of sequence qp?
  (4) 766.2*-0.3
  (5) Solve 68 = 9*u + 122 for u.
q_1: (1) Let d(u) = 23*u - 66. What is the hundreds digit of d(10)?
q_2: (2) What is 988116.2 minutes in milliseconds?
q_3: (3) Two letters picked without replacement from {q: 2, h: 1, p: 4, e: 8}. What is prob of sequence qp?
q_4: (4) 766.2*-0.3
q_5: (5) Solve 68 = 9*u + 122 for u.