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The key observation here is that all numbers below n, by definition, divide n!=nx(n-1)x(n-2)x...x1.So in particular, if n greater or equal to 5, 5 divides n!, and thus is divides n!+5.Hence, if n!+5=p and...

The important thing to remember about the ELAT is that it is not designed to test your memory of knowledge of texts, but instead to test your aptitude and close reading skills, and most i...

(This question is intended for the first session with students. After, the questions will be tailored to the texts they are studying, to focus on specific themes and contextual backgrounds. This exercise ...

The notion of the American dream has been one engrained in the collective American psyche since the 'Declaration of Independence' of 1776. Here, Jefferson stated that 'all Men are created equal, that they...

Perú es relativamente pequeño, pero tiene una historia increíble. Esta situado en el oeste de sud América. Comparte fronteras con Brasil, Ecuador y chile entre muchos más, y está considerado ser uno de lo...