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There are various ways to solve simultaneous equations. The two easiest are by elimiation and by substitution. By Elimation When solving by elimination you want to ensure that you ...

One of the most exciting parts of the Economics course is discovering the way in which various things that you will study interrelate. If European productivity were to increase, then the unit price of the...

Both alkenes and alkanes are chains of carbon and hydrogen molecules. The chains can be different lengths and each length chain has a different name. 

An alkene is a chain which has a double bond b...

There are two different verbs meaning 'to be' in Spanish- ser and estar. They are used for different things. 

The uses for ser can be remembered using the acronym 'Doctor':

Date, Occupation,...

Exercise has both long term and short term effects on the body. 

Short term effects include increased heart rate, increased cardiac output (volume of blood pumped out by the heart each minute, incr...