How do I remember the area of a circle if it's not in the formula book?
I tend to use rhymes to remember difficult maths formulas - it makes life so much easier! For example, "I never knew how much I cared that the area of a circle is πr²".
MP
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Andrew buys a Laptop for £600 which includes 20% VAT. What is the price of the Laptop without VAT?
Express 50p as a fraction of £4 and give your answer in its simplest form.
Factorise and solve: x^2 - 8x = -15