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First of all let's give some examples: 5^2=4x6+1 = 25 or 6^2 = 5x7+1 = 36. To prove it for every number let's call the number x (e.g. x was 5 and 6 in the cases above). Then the result we want to prove is...

The textbook definition of price elastic demand is when % change in quantity demanded (QD) is greater than the % change in price (P). This can be viewed in the formula for price elasticity of demand: %cha...

The first thing you need to do is flick to this poem in your anthology to remind you of its content and how the theme – in this case time – is presented. Ask yourself - how is time presented in this poem?...

Firstly, we know that it is an isosceles triangle, meaning that 2 of its sides are equal. In this case, the uneven side is given as x+4, so we can assume that the triangle has 3 sides: AB= X+3BC= X+3AC= X...

When adding fractions we need to make sure that we're adding numbers that are in the same proportion.Take for example 1/2 add 1/2, if we simply added the numerator and the denominator we would get 2/4 - w...