Which sentence is written correctly? carlos throws farther than anyone else on the football team. no one can be as charming as my father can. her dress was prettier than all the dresses. my father talks less than anyone in our family.

We can figure this using the process of elimination.
Her dress was prettier than all the dresses is not written correctly, because "her dress" is included in all. Not only that, but the repetition of "dress" sounds a little odd in this situation.
My father talks less than anyone in our family is not written correctly, either. 
No one can be as charming as my father can sounds off if you say it out loud. This sentence could be rewritten to sound better.

The correctly written sentence is Carlos throws farther than anyone else on the football team.

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