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\(\pi\)
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\(\sqrt{\,}\)
\(a^{b}\)
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cos
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A rectangular wall is \(8 \, \text{m}\) long and \(5 \, \text{m}\) high. The cost to paint the wall is 20 dollars per square meter.
What is the area of the wall?
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\(\mathrm{~m}^2\)
What is the cost to paint the wall?
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dollars
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