36.89 total divided by the 8.6 gallons he bought = 4.2 so the price per gallon would be $4.20
This is in the 3rd quadrant, so -12 is the adjacent side of the 5,12,13 triangle.
Cot(theta) = -12/(-13) = 12/13
<h2><u>
Answer:</u></h2><h2>

</h2><h2 /><h2><u>
Solution Steps:</u></h2>
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<h3>1.) Subtract 14 from both sides:</h3>
Cancels Out
<em> - We do this because we have to get 2 variables/numbers on each side of the equals, and the only way to do so is to cancels other numbers out by doing the opposite of what we see. </em>
<u>Equation at the end of Step 1: </u>
÷ 
<h3>2.) Multiply both sides by −0.8:</h3>
×
Cancels Out
× 
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I need more info on this so it might be 32 times 32 and that will give you the answer to S