The first ounce will cost 88 cents. Each additional ounce will cost 17 cents. 6 pages of regular computer paper is about 1 ounce.
1.22
1.35
You will need postage for the weight of the envelope (probably 2 ounces, for 4 sheets of paper in a 10x13 envelope), plus a surcharge for the size of the envelope. Best guess: $1.19 for first class mail within the United States, as of Feb. 2014.
6.3oz
the USPS charges by weight and not by size
That all depends on how much is in it. It goes by weight. See the U.S. domestic postage website at the link below. Anyway, it's not about "how many stamps" but "how much postage." Stamps come in denominations from 1 cent on up.
Priority Mail flat rate envelopes cost US$5.75 in postage. With standard 49 cent stamps, it would take 12 stamps to cover the postage.
Yes, it is the same for the same weight. Both are considered 'oversized' mail or 'flats' and cost more than a normal business envelope. the current rate would be 88 cents for the first ounce and 17 cents for each additional ounce.
The product cost minus postage for Tinker Bell toys are about $12. This is the cost a person will get if they search Google Shopping for Tinker Bell toys.
There was never a 12 cent stamp for regular postage. It went from 10 cents to 13 cents on 12/31/1975. There was however a postage card stamp for 12 cents in 1981.
$0.88 for under an ounce, $1.05 for between one and two ounces. Add $0.17 for each additional ounce.
In the UK the Royal Mail charge £1.10 second class, £1.20 First Class. Overseas delivery will be higher.