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 a) 3x + 5y =  26  

b) 2x + 2y = 12

Step One: We need to find a way to equate either the x terms of the y terms in each equation. Multiply equation a) by 2 ...

Poly(ethene) is formed when several monomers of ethene (an alkene) are joined together. Ethene can take part in this type of reaction as it is has a double bond (it's unsaturated) which opens up to all...

A hormone is a chemical messenger. It is produced by a gland and then travels in the blood to a specific target organ where it causes a response, changing the way the body functions. Hormones can be pr...

Latin poems are written in a number of forms. Epic, such as Ovid's metamorphoses or Virgil's Aeneid, are written in hexameter. 

When scanning, there are a couple of important terms you ne...

First, you should always begin with a brief summary of what the text is about. You need to show that you have understood the text. As you do this, think about what the text is doing; is it satirical, p...