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There a four types of market structures. A monopoly is where one firm dominates the market, it is characterised by high entry and exit barriers, high sunk costs and a possibility for supernormal profits. ...

Economies of scale are when firms experience a fall in long run average costs due to the growth of the size of the company. Firstly an example is financial economies of scale. This is when a company can b...

It is difficult to remember formulas, especially when they are similar and easy to confuse. Some methods of remembering the many formulas needed for physics and maths are to recite them, to do a lot of pr...

Rearrange to get cos(x+25) = 0.6

Use inverse cosine to get (x+25) = -53.13... 53.13... 306.86... 413.13...

Isolate x to get x = -78.13... 28.13... 281.86... 388.13...

Apply the limits...

It is important to know why the tutee has chosen one medical school over  another. The tutee should have a few points on why they chose the medical school. They should follow these points with both eviden...