Question

Which statement about the expression -9p+q is true?

Only p represents an unknown number.
Only q represents an unknown number.
Both p and q represent unknown numbers.
Neither p nor q represent unknown numbers.

Answer 1

Both p and q represent unknown numbers.

Step-by-step explanation:

The expression -9p+q consists of two terms: -9p and q. In this expression, both p and q represent unknown numbers.

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