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Maths Puzzle
Numerical Ability
Bill is 1 year less than twice as old as his sister Caroline.
The total of their ages is 26.
How old is Bill now? Please help!
Thanks1
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book Other Question
Multipy the rational expression. Simplify the result.
(x^2 - 2x/x^2 + 2x + 1) * (x^2 + 4x + 3/x^2 + 3x)
True or false, the function f(x) =3x
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