exam Maths Puzzle Numerical Ability

I have series of Trigonmetric Problems, Can any of YOU help me answering this?

1. The angle of depression is measured from the top of a 43-ft tower to a reference pointon the gr

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exam Other Question
1/3|2x-1|<1

Find a in terms of b, given that
log4(a b2) = 3
Note that, in validating your answer, Maple may display your answer in a slightly different (but nevertheless equivalent) form to what you might expect.