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Read the question and translate the information into equations.'Three pens and one pencil for £11' can be written as 3x + y = 11 where x = pens and y = pencils. 'Four pens and two pencils for £16' can be ...

Negative feedback is one of the ways the body maintains homeostasis. Homeostasis describes the body maintaining set internal conditions- for example the level of certain hormones in the body is kept in a ...

They are nominative, genitive, dative, accusative and vocative. They differ with respect to their endings and they have different functions.

In a quadratic equation the highest power is 2. This means that we are looking for up to 2 answers. The first thing we are going to try to do is factorise the equation. We draw two sets of brackets side b...

Unstructured interviews are preferred by interpretivists because it allows researchers to gain verstehen and deeper understanding of social relations. This may not be possible with structured interviews t...