exam Maths Puzzle Numerical Ability

3a�b�-⅓)(3a�b�+⅓)

(4x-5y�}�

2(3x�-5y�)(2x�-7y�)

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exam Other Question

7/2x-1=2x+5 If an object is thrown upward with an initial veliocity of 64 ft/sec, its height after t sec is given by h = 64t - 16t^2. Find the numbrt of seconds the object is in the air begore it hits the ground.