context: ###List of Questions
  (1) Suppose -4*d + d = d. Solve z - 4*g - 15 = d, -2*g = 3*z - 0*g + 11 for z.
  (2) Let v be (1/(-3))/((-4)/48). Suppose -v*x + l = -290 - 25, l = 3*x - 236. Calculate the remainder when x is divided by 27.
  (3) What is 5888.181s in nanoseconds?
  (4) Four letters picked without replacement from zqiiyiiizyzqyyissnsy. What is prob of sequence nszs?
  (5) What is the product of -0.4 and -6.6?
q_1: (1) Suppose -4*d + d = d. Solve z - 4*g - 15 = d, -2*g = 3*z - 0*g + 11 for z.
q_2: (2) Let v be (1/(-3))/((-4)/48). Suppose -v*x + l = -290 - 25, l = 3*x - 236. Calculate the remainder when x is divided by 27.
q_3: (3) What is 5888.181s in nanoseconds?
q_4: (4) Four letters picked without replacement from zqiiyiiizyzqyyissnsy. What is prob of sequence nszs?
q_5: (5) What is the product of -0.4 and -6.6?