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Maths Puzzle
Numerical Ability
When you use text-based communication, how do I interpert the expression sqrt xy + 9? What is xy + 9 if x=7 and y = 4
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A rock is thrown from the top of a tall building. The distance in feet between the rock and the ground t seconds after it is thrown is given by d = -16t^2-2t = 524. How long afte
Please help me solve this problem. -7i+6i
__________
9-4i