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As the answer is given in the question, it's really important that you lay out your working carefully to give a convincing account as to how you got from the question to the answer. 
Here we have a <...

If you are trying to find the sine of an angle, remember: SOH

The sine of an angle (S)= the length of the opposite side (O) / the length of the hypotenuse (H)

If you are try...

Judicial Appointment is a two tier process which begins once a vacancy occurs in the Supreme Court, either through a judge retiring, like David Souter, or dying like Antonin Scalia. The first tier is p...

Begin by adding the 2 ratio parts (i.e. the numbers which make up the ratio) so 8+5 = 13.

Then divide the total sum by the sum of the ratio parts. Thus £650/13 = £50.

Multip...

You must be careful with these sorts of questions as although 1/(5-2x) is equivalent to (5-2x)^-1, when you integrate you would add one to the power and divide by the new power. But if you were to add one...