exam Maths Puzzle Numerical Ability

An angle has measure x degrees. Find the average of the measures of a complement and a supplement of the angle.

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exam Other Question
Divide the following:

x^-49y^ over 6x^+42y divided by (x^-7xy)

Any help you can offer would be appreciated.
Thanks, __2x-1__ <_ -9 or __2x_-1__ >_ 5
4 4

These are fractions with the 4 as the bottom number, I tried to make the lines look a bit better like they are ac