Ohio is a state, one stamp.
One.
For a letter weighing no more than one ounce, which would be about 1 to 6 pages, one first class stamp is needed. As of July 2009, they are 44 cents each in the US.
A letter can get from Ohio to Texas as fast as overnight, depending on what day of the week it is. Many postal carriers offer overnight shipping for a nominal fee. In regular mail, all business days, it takes between 2 and 3 days for a letter to reach Texas from Ohio.
Just one of the right denomination. 44¢
None, email does not require a stamp.
just 1 stamp if its within the correct size and weight limit
One Forever stamp, as long as its no more than one ounce.
Food Stamps, but on a card.
The cost for a one-ounce letter is 94 cents. You can buy a 94 cent stamp at the PO. Otherwise, any combination of stamps that add up to 94 cents or more will do the job.
First Class Mail is delivered in three to five days.
If you are sending a normal-sized letter, you would need $0.49 total of stamps to mail it from Indiana to California. You could use a Forever stamp or a combination of other stamps that equals $0.49.