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Assume that Tom's age now is x and that his dad's is 3x. Therefore, in 15 years Tom will be x+15 years old and his dad will be 3x+15 years old. Since the sum of their ages will be equal to 102, we can f...

i) Pick electrolyte (e.g. hydrochloric acid) - strong acid ii) Use same volume of electrolyte; Use same electrolyte throughout; iii) Cut same size strips; Connect wire to each metal; Connect to voltmeter;...

There are many organelles you could choose from so long as it is only present in plant cells and you can explain it's function it is appropriate. Examples include:Cell wall - provides structural support m...

Always remember that although the exam title has the word 'Creative' in it, it is still an exam and the examinator wants you to show off what you know. Preparation and simplicity is the key. Depending on ...

It seems like f(x+2) should translate the graph y=f(x) 2 to the right, it is +2 inside the bracket after all? However, if we think of the translation as actually subbing in x+2 into the equation y=f(x), i...