Anything from one to forty-four stamps, depending on the value of the stamps. An ounce of first class mail is 44 cents in June of 2009.
It depends on the size and weight, but if it's a regular letter, a 44-cent stamp will suffice.
typicaly 2 stamps
75 cents.
1
only one
About one liberty stamp :)
Around 2400 miles.
That would depend on the weight of the package
From Phoenix to New York City, a flight is about 5 hours.
You have to file where ever the child lives.
3 hours
About 10 - 20 hours