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A simple implementation of Pythagoras' Theorem a²+b²=h², and as in the question c is the hypotenuse, a²+b²=c². (Side Note - in exams, the ...

DNA is made up of 4 bases (Adenine, Thymine, Guanine, Cytosine)

Adenine, guanine = purine 'Pure AGony'

Thymine and cytosine  = pyramidines

Adenine pairs with thymine (2 Hydrogen bonds...

Tropical Climates can essentially be split into three main categories: Equatorial, Tropical Savanna and Monsoon.

Whilst each of these are hot and Equatorial/Monsoon climates are notably wet, there ...

Higher Bands: Marks for clear structure and use of good English so use paragraphs and well structured sentences with linking phrases.

Logical progression of information

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Solve: 2x - y = 4  and x + 2y = 7

There are two methods to solve this, you can either calculate one of the variables from either equations and then substitute to the second one or try to multiply o...