If you are paying for it to be printed, you choose. I have two-sided cards now but used to have one-sided.
Also, I would seriously recommend that you learn to spell: it is business, not buisnuis.
Are you referring to a copy machine. Duplex copies are printed on both sides of the paper. If copying from originals, normally the following options are available. 1 -> 1, single sided copies from single sided originals. 1 -> 2, double sided copies from single sided originals. so 4 sheets -> 2 double sided sheets. 2 -> 2, double sided originals make double sided copies. 2 -> 1, double sided originals make single sided copies. So 2 double sided originals make 4 sheets single sided copies.
1/2
11
1 in 6
a 2 sided shape is real but a 1 sided shape is not
1 in 36
1/2
Yes, there are 2 sided spoon.
number of diagonals in an n-sided polygon is n(n-1)/2 - n If the polygon has 12 sides, number of diagonals is 12(12-1)/2 -12 = (12)(11)/2 -12 = 132/2 - 12 = 66-12 = 54
It is 1/2It is 1/2It is 1/2It is 1/2
1
(12-2)180/12 = 150 for a regular 12 sided polygon