exam
Maths Puzzle
Numerical Ability
Perform the indicated operations:
(sq rt 3 + 2) 2nd power
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exam Other Question
Find the real or imaginary numbers of the equation:
x^-2 - 9x^-1 + 18=0
A window washer accidentally drops a bucket from the top of a 64-foot building. The height (h) of the bucket after t seconds is given by the following formula: h=-16t^2+64. How long will it take for the bucket to hit the ground?