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Split answer into 4 main paragraphs - explain how categories for superpower are largely considered to be economic power, military, geographic and cultural and the answer will attempt to weigh up the exten...

So the aim of simultaneous equations like this, are to figure out the value of x and y. The first thing you have to decide is which one to figure out first. You have to make both 'x' values or both 'y' va...

The subjunctive is a Spanish tense that we actually do have in English, although we're often not aware of it! For example, in the phrase 'If I were rich, I would buy a yacht', th...

(Question from AQA A level maths specimen papers) When looking at this question, you need to appreciate the steps required in order to reach the final answer before diving straight in. Firstly, the questi...

To solve this question we will first have to think of how we can solve something with two variables. The most common method is through elimination where we remove a variable so then we have an expression ...