exam Maths Puzzle Numerical Ability

solve the equation: x+8/x+9 = 2/3

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solve algebraically: log4(x+41)-log4(2x-5) = 2 that is log base 4 (x+41) - log base 4 (2x-5) = 2 Hello,

Help! I need to find the surface area of a cone with a radius of 3in and a slant height of 5in.

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