exam Maths Puzzle Numerical Ability

10) Two angles are complementary if their sum is 90e. If the measure of the first angle is xe, and the measure of the second angle is (3x - 2)e, find the measure of each angle.
A)

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Please I need help. I am having problem understanding this question. Kindly assist me.

A sample of 20 pages was taken without replacement from the 1,591-page phone directory
Add or subtract as indicated. Express your result in simplest form.

3/x2 + 4x + 3 - 1/x2 - 9


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