- For \(-\frac{58}{8}\), simplify the fraction: \(-\frac{58}{8} = -7.25\).
- For \(-7 \frac{4}{5}\), convert the mixed number to an improper fraction or a decimal: \(-7 \frac{4}{5} = -7.8\).
- For \(-\sqrt{54}\), find the square root and then apply the negative
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