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Algebra is fundamentally the way in which we can find out the value of some unknown element. So for example, if a salesman agrees to sell two apples for £10 algebra can help us find out how much one apple...

Market failure is when the price mechanism leads to an inefficient allocation of resources and a loss of economic welfare. One example of market failure is Public Goods. These are non-excludable and will ...

I live with my two children in a semi-detached house. My son goes to grammar school, where he gets good grades. My daughter studied foreign languages at university because she would like to work abroad.

4 x £15 = £60 2 x £10 = £20 This means the total price for tickets without added fees is £60 + £20 = £8010% booking fee --> £80 x 1.1 = £88 3% extra to pay with credit card --> £88 x 1.03 = £90.64 A...

In graphite, the cations are arranged in layers (sheets of carbon atoms)The layers are able to slide over each other without interrupting the bonding within the layersHence, graphite can act as a lubrican...