exam Maths Puzzle Numerical Ability

(w-12)(aw+9), where a is a real number and a does not equal 0

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exam Other Question

You are making a saline solution in science class. One hundred millitliters of a 50% saline solution is obtained by mixing a 40% saline solution with a 60% saline solution. How muc Solve 2log4 x - log4 9 = 1.

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Simplify (-16x^-3y^2/8xy^-4)^-3.

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