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hugtoken hugtoken
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6 years ago
Using the (R + M) ÷ 2 rating method, most regular grade gasoline today is ________ octane.
a)   89
b)   91
c)   87
d)   85
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bolbolbolbol
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#1
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6 years ago
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hugtoken Author
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6 years ago
You make an excellent tutor!
annielin111
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Yesterday
this is exactly what I needed
Mcb
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2 hours ago
Smart ... Thanks!
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