exam Maths Puzzle Numerical Ability

I have to solve using the quadric formula and if there are no real roots , say so. Can you please help me?

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Number 8

x^2 + 9x + 7 = 0

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exam Other Question

please help!! find the length and width of rectangle WXYZ. top left of rectangle labeleb W top right Z bottom left X bottom right Y between W and Z is x+7 between X and Y A=198 in.^2 between Z and Y x thenks for the help. 7-2n=n-14