Both are greetings equivalent to "how are you" or "how's it going" in English, but qué tal shows familiarity-probably not something you should use when meeting someone for the first time. In such a case, "cómo estás" is the better choice.
Estos and Estas both mean 'these'. But one's masculine and the other is feminine. So depending on the subject you are referring to, you would use 'estos' for those that are masculine, and 'estas' for those that are feminine.
"Donde estas tu" is Spanish for "where are you?" It is a question asking about someone's current location.
"Estas seguro" means "are you sure" in Spanish. It is often used to ask someone if they are certain about something.
This is Spanish for 'This is my friend Shakira'.
"No estás conmigo" means "you are not with me" in Spanish.
In Spanish: "Estas loco?". If you're saying it to a girl you say it like this "Estas loca?".
(Yo) sé lo que estas diciendo
One is formal (como esta usted) and the other is not (como estas) You could compare it to "Sup" and "How are you sir?"
Todavia estas? (accents on i' and 'a' in estas')
estas
estas ayi? (spelt 'estas alli?')
Estos and Estas both mean 'these'. But one's masculine and the other is feminine. So depending on the subject you are referring to, you would use 'estos' for those that are masculine, and 'estas' for those that are feminine.
"Que estas diciendo" means "What are you saying?".
An informal way of saying hello, Como Estas = Hows things
It actually means these. But como estas means how are you?
"Cómo estas?
"Estas acciónes" means "these actions".