Michael J. answered • 02/16/16
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Effective High School STEM Tutor & CUNY Math Peer Leader
The "•" symbol means multiplication in the language of algebra. To interpret this question, we ask "What number multiplied to 8 results in 9?"
To find the missing number, we need to perform the inverse of multiplication: division. Divide 9 by 8. You can easily perform this using long division.
