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Opportunity cost is something that we think about everyday but we don't always use that word. It is defined as the benefits lost from the next best alternative choice.This sounds wordy, but in an example ...

Siempre me ha gustado aprender idiomas. Empecé con inglés desde que era pequeña, en la primaria, y seguí estudiandolo hasta el año pasado en el bachillerato. A través del utilizo diario de esta lengua, es...

With regular verbs, forming the present participle requires three easy steps:Conjugate the verb into its 'nous' form, eg. jouer - jouons / finir - finissons / vendre - vendonsNow, remove this ending. This...

Completing the square is nice and easy. If you have an equasion of the form x²+ax+b=0 then simply rewrite the equasion in the form (x+a/2)²-(a/2)² +b=0. This may sound com...

For the unheard essay question, you must try and repeat the unknown piece to one of your set works. The question will already outline certain categories to listen out for such as melody, harmony and textu...