The commoner factor is 3
The equation would be
x-3y+4
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Find Sales Tax
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$33.92 - $32 = $1.92
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Find Sales Tax Rate
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A cause and effect relationship between two variables, A and B, is written A then B, or in formal logic: A => B (A implies B).
x
(15) sin 30.5 = ------ (15)
15
(15) sin 30.5 = x
Plug this part into a calculator.
7.61 = x
Area of a triangle: 1/2bh
1/2 (7.61)(13)
3.805(13)
49.469
49.47 un² is your final answer since you are supposed to round to the tenths place. I hope this helps.