The answer to your question is:
+4
-4, -3, -2, -1, 0, 1, 2, 3, 4
The fraction can simplify down to

convert it to a fraction and the yearly increase is 1.5%
2. Well on average there are 365 days in a year. Dividing 93 million by 365 will get your increase per day.
There are 24 hours in a day, so that figure is further divided by 24.
There are also 60 minutes in an hour therefore furthermore divided by 60.
= 176 therefore true
LGN I believe. If you look at how the ret part of the match corresponds with the next match, you can correspond the letters based on the other triangles.