context: ###List of Questions
  (1) Evaluate -2 - 118/(-40) - 24/32.
  (2) Calculate prob of picking 2 g and 2 f when four letters picked without replacement from fgggfggggf.
  (3) Let x be 11 + -3 + 1/1. Suppose 3*m + 0*m - x = 0. Suppose -5*d + 4*d = -m. What is the units digit of d?
  (4) How many grams are there in nine tenths of a kilogram?
  (5) Solve -3*v = -58 + 79 for v.
q_1: (1) Evaluate -2 - 118/(-40) - 24/32.
q_2: (2) Calculate prob of picking 2 g and 2 f when four letters picked without replacement from fgggfggggf.
q_3: (3) Let x be 11 + -3 + 1/1. Suppose 3*m + 0*m - x = 0. Suppose -5*d + 4*d = -m. What is the units digit of d?
q_4: (4) How many grams are there in nine tenths of a kilogram?
q_5: (5) Solve -3*v = -58 + 79 for v.