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Say you have two functions, A and B, and A is the gradient of B. That is to say, A is as high as B is steep (at any point). Equally, A is as high as the rate of change of B (at any point). Now let’s say w...

J’habite à Lichfield qui se trouve au centre d’Angleterre. À 30 kilomètres au sud, il y a la ville de Birmingham, tandis qu’à environ 200 kilomètres au sud-est, il y a la capitale, Londres.

Lichfie...

Less free trade with EU

The European Union is an important source and target for inward investment. Many European companies have invested in the UK and the UK earns revenue from in...

Step 1: Find the highest common factor of the terms in the expression eg. 3x+12. In this expression 3 is the highest common factor of the terms 3x and 12...

Para is usually used to imply a consequence to an action, a destination or recipients of an action.  Por on the other hand is used for time duration, and travel means.