Given the sentence: "Nine increased by the product of a number and 6 is greater than or equal to -18", you need to know the following in order to translate it into an inequality:
1. The word "increased" indicates an Addition.
2. A Product is the result of a Multiplication.
3. The inequality symbol whose meaning is "Greater than or equal to" is:
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Let be "x" the unknown number.
Then, you can write the following expression to represent the product of a number and 6:

Therefore, "Nine increased by the product of a number and 6" is:

Knowing that this expression is greater than or equal to -18, you can write the following inequality:
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Hence, the answer is:
