exam Maths Puzzle Numerical Ability

Solve. 4(7x + 10) = 3(9x - 5) + 20

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exam Other Question

Find the mean and the median.
-7, -4, 4, 8, 12, 17 A rod of 5 m at 6c grows to 5.006 m when the temperature is raised to 48c. Find the coeffcient of volumetric expansion of the unknown composing the rod.