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A) Firstly look at what is common - X and the number 4. Take these out the bracket . Then think what you have left and place that in the inner bracket. 4x(1+3z)
B) Again this is similar to the first ...

This is how i would try to get my students to write this answer- (8 to 10 Marks) ...

The Prisoner's Dilemma is an example of a game theoretical model. Game theory is a mathematical tool you can use to try to figure out what people might do in certain situations. In game theory terms, we c...

For this type of essay question we are being asked to evaluate which means we must consider all sides of the argument and present a suggestion for which is the best point of view. Start with a simple essa...

The first and most important thing is to answer the question! This may sound simple but it requires good reading of the question. For example, if your question said something like 'To what extent are theo...