context: ###List of Questions
  (1) Suppose r - 60 = -r. Let o = -66 - -30. Let x = -20 - o. What is the remainder when r is divided by x?
  (2) Convert 8038.306 millennia to months.
  (3) In base 9, what is 57046 + -3?
  (4) What is prob of picking 3 l and 1 p when four letters picked without replacement from {w: 2, p: 1, k: 1, l: 4, g: 3}?
  (5) Let z = -4 - -6. Suppose 2*k = 16 + z. Solve 0 = -5*d + 2*d + k for d.
q_1: (1) Suppose r - 60 = -r. Let o = -66 - -30. Let x = -20 - o. What is the remainder when r is divided by x?
q_2: (2) Convert 8038.306 millennia to months.
q_3: (3) In base 9, what is 57046 + -3?
q_4: (4) What is prob of picking 3 l and 1 p when four letters picked without replacement from {w: 2, p: 1, k: 1, l: 4, g: 3}?
q_5: (5) Let z = -4 - -6. Suppose 2*k = 16 + z. Solve 0 = -5*d + 2*d + k for d.