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Contextual knowledge includes all kinds of things that give a background of the text, for example why it was written, what belief system it is situated in, what historical events influenced the writer. Th...

You can remember how to do this with the acronym TCP OK; T is for tone, where you discuss the expression in the source- is it biased towards a certain side, or trying to persuade? C stands for content, wh...

y = 2x+5

y=x+1

First equate:       2x+5=x+1

Rearrage for x:    2x-x=1-5

Which gives:       x=-4

Okay so to work out the surface area of any 3D shape, you should look at the area of every surface on the shape individually. I would then draw a cylinder. First, we can work out the area of this...

1. Factorise the top and bottom {x^2 -3x -4}/{x^2 + 4x +3}=(x+1)(x-4)/(x+1)(x+3)                                                                                                  2) Cancel the common te...