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Multiply equation 1) by 2 : 12a+2b=32. There are alternate signs of b and so therefore add the equations together: 17a=51. Solve for a: a=3. Sub a into one of the equations to find b: 5*3-2b=19b=-2. The f...

These are marked through response marking and how the student formats their answer. You need to state two points and elaborate upon them to achieve full marks. For example: explain how global warming can ...

Approaching unseen poetry can be daunting, however it is important to remember all of the skills you have learnt when analysing your poetry anthologies in class and apply them to this section of the paper...

Nebula (cloud of gas and dust)ProtostarMain sequence starRed giantWhite dwarfBlack dwarf (some students may not need to know this depending on their GCSE exam board and specification)

Expand by multiplying out the brackets (using crab claws or similar method): 18x^2 + 30x - 12x -20Simplify by combining like terms: 18x^2 + 18x -20