exam Maths Puzzle Numerical Ability

If the line containing the points (-8,m) and (2,1) is parallel to the line containing the points (11,-1) and (7,m+1), what is the value of m?

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exam Other Question

Simplify:


((x^(3/2))y^-3)^1/3
--------------------
((x^(1/2))y^-6)^-1

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Simplifying Square Roots
How to simply these square roots;
1. 25
2. 3 * 7
3. 48/27
4. 300