Calculate the tax amount for the following? Purchase of $450 if tax rate is 8% Purchase of $800 if tax rate is 12%

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A: Given data÷

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Q: -xx-9 and y=-x+3 у -9-8-7-6-5-4-3 1 y=x: POINT(S): IN 76 NWA -2 N3456789 -2 -3 -6 -7 -8 23456 -9 +2…

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A: Write the following equation in exponntial form Please show work log27=x