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The phrase "a and b are roots of 2x^2+6x+7" is just a way of saying that x=a and x=b solve the equation 2x^2+6x+7=0. Check out that by diving by 2 on both sides of this equation we get that that...

The key to analysing a primary source is remembering what it is; it's a source from which we want to get useful historical evidence. But, if it is a primary source, then we must remember that it is comple...

The diaphragm contacts and moves down. The intercostal muscles between the ribs contract. This causes the ribcage and the sternum to move up and out. The thorax increases in width from back to front. This...

A strength of the functionalist approach to society is the explanation of how social order is achieved.Parsons argues that social order is achieved through the existence of a shared culture, a set or norm...

Firstly, make sure to never add a new point in the conclusion! A conclusion should be a neat summary of your argument, with a punchy line at the end if possible. Reference your introduction as you write y...