40
I don't know about bikers but in the marines it means unlucky f##k
It means "Hitler", because Hitler was born in 1881 No, does not. 81 has nothing to do with right wing politics. They use 88, which represents HH. 8=H, 1=A 81 is a codeword for HAMC, the Hells Angels. Google "support 81" for more details.
It can either refer to coal or it can refer to the vegetable cabbage.
Kinky
You refer to l'chaim, Hebrew for "to life."
the number 13 can refer to marijuana, don't think bikers are into that tho!
if you mean BMXing bikers then, No.
Fathful
death to all..
Assuming you mean the arithmetic mean, it is 80.
the mean is 79.75
The geometric mean of 9 and 81 is 27.0
Radikal Bikers happened in 1998.
Radikal Bikers was created in 1998.
Bikers Inc was created in 2007.
Bikers for Christ was created in 1990.
The mean is: 81.6 The median is: 81 Its mode is: 81 and 83 because its bi-modal