4. because it is reduced and the simplest to understand
Answer:
It might be 414 miles per hour. Sorry, I don't have an explanation for now, SO SORRY!
In order to have an infinite number of solutions, it should be that the two equations are identical. Therefore, I believe the correct answer is option c. The value of b should be 6. Hope this answers the question.
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Answer:
9 and -21
Step-by-step explanation:
The constants are the numbers.
9 and -21
