book Maths Puzzle Numerical Ability

Divide.

(a^4 –1) / (a^2 –1)

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book Other Question

A canoeist paddled 4 hours with a 6=km/h current to reach a campsite. The return trip against the same current took 10 hours. Find the speed of the canoe in still water. Find the equation of the line slope1/2 that contains the point(-1,5). please show all work.Ronnorton@adelphia.net