Answer:
S=-2
Step-by-step explanation:
The answer is 729, -2187
because you multiply each number by -3
Because of wind chill, they may say that the way it feels is -3, but it was probably much warmer, but later (at 12 degrees) they were probably reporting actually temp.
This is my best guess.
150 degrees because supplementary angles add up to 180 degrees
