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In order to compare two equations they need to be in the same form. This means that the y's have to be on the left, and the x's have to be on the right - so the first step is to rearrange both of the e...

This is a very difficult question, particularly as with medicine, you are limited to 4 instead of the normal 5 UCAS applications. There are over 30 medical schools that all have very different requirement...

This is a multiple choice question, with possible answers:

(a) -3 < x <  3;

(b)  0 < x <  4;

(c)  1 < x <  3;

(d) -1 < x <...

If we want to express a completed action which happened in the past in French, we use the perfect tense. In order to form it we use either avoir or etre and conjugate them in the present form and then ...

An enzyme is a protein catalyst. 

A catalyst is a substance which alters the rate of a chemical reaction. (So it can speed up a chemical reaction). 

The key...