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First we need to eliminate one of the Variables, to have an equation dependant on one variable. The coefficient for y in equation two is a third of the coefficient of the y in the second equation. Therefo...

We can find the longest side of a right angled triangle (also called the hypotenuse) by using Pythagoras' Theorem and considering the lengths of the two other sides given to us. Pythagoras' Theorem is wri...

There are three constructions that can be used, depending on the introductory verb:A) The ὁτι construction:Used for verbs of saying (except φημι)The 'that...' clause behaves like an indep...

Biology exams rely heavily on recollection and your knowledge of key facts and processes. If you have memorised these and have a good understanding of them, questions are often just a case of manipulating...

Revising for English can be difficult, as there is no set formula for a wrong or right answer. However, you should focus on particular areas you struggle with the most, whether it is time management, reme...