exam Maths Puzzle Numerical Ability

multiply

2x^2 - x - 3/3x^2 + 7x + 4 . 3x^2 - 11x - 20/4x^2 - 9

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exam Other Question

graph y^2-x^2=1 a triangle has one angle hat measures 2 degrees more than 3 times the smallest angle, and the largest angle measures 22 degrees less than 4 times the measure of the smallest angle. find the measures of the anges.