book Maths Puzzle Numerical Ability

Without using a calculator, list the numbers square root of 2, cube root of 3, and fifth root of 5 in order from largest to smallest.

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book Other Question

Simplify:

x+8
-------
x^2-64
On a canoe trip Rita paddled upstream (against the current) at an average speed of 2 mi/h relative to the riverbank. On the return trip downstream (with the current) her average sp