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This seems like quite a simple question with an obvious solution, yet when I sat my GCSE's I remember struggling to determine what was important in a text to annotate or underline for future reference. Co...

Author- Who authored the source? Are they close to the issue you're investigating (For example, if you're researching Star Wars, is your source the director? A key actor? A fan?). The author can have the ...

Multiply both numerators and denominator by the opposite denominators to get 3(2x+5)/(2x+5)(x+1) and 4x(x+1)/(2x+5)(x+1). Now the denominators are both equal so we can combine into one fraction and add th...

Bandits: Being in a largely lawless region of the country, settlers had to fend for themselves most of the time. A mixture of Indian and American raiders meant that the settlers were never truly safe, and...

Motivation -> We need operating systems to give easy access to the hardware of a computer. A processor (CPU) can only execute one instruction at a time, yet we can have multiple applications run...