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I need help with all these questions as I don't know what to do with any of them.
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I need help with all these questions as I don't know what to do with any of them.

I need help with all these questions as I don't know what to do with any of them.-example-1
User Dave Land
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\begin{gathered} 8x-y^2-3 \\ =8((1)/(4))-(3)^2-3\text{ } \\ =2-9-3 \\ =2-12 \\ =-10 \end{gathered}

answer: 4) -10

User Azzlack
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