exam Maths Puzzle Numerical Ability

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(2x^2+11x-5)/(x+6)

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exam Other Question

The sum of the base and height of a triangle is 25 cm. What is the maximum area of the triangle? The relationship between the empirical rule and a z-score would indicate that any z-score between �2 and 2 will occur about ___________ percent of the time.
a. 99.7
b. 68
c. 34
d. 95