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The matching concept, otherwise known as the 'accruals' concept, is a fundamental accounting principle that provides that income and expenditure in a business should be matched to the period to which they we...

A Probability Mass Function is a function used to describe the liklihood of the outcome of a random event that has a finite number of possible outcomes. The domain is the range of possible outcomes of the ra...

Living things differ from non-living things based on certain characteristics. There are 7 characteristics that identify living things and these can be remembered with the acronym MRS GREN. Movement Respirati...

We are factorising 2a 2 +6a. When we factorise an expression, we look for common terms that we can place outside of a bracket. Another way of thinking about this is something that both 2a 2 and 6a can be div...

The first step is to expand the expression. This can be done using the FOIL method. This means that we multiply the First, Outside, Inside and Last terms in the bracket.First: x . x = x 2 Outside: x . -6 = -...