Answer: 5 hours
More then four
Step-by-step explanation:
Answer : 9
Explanation:

Subtracting -5x from both sides,

Soving this quadratic equation by midterm split method,

So the roots here will be, +9 and -4.
Since the question is about only the positive value.
Your answer will be 9.
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➷ The best estimate would be B. 0.9
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➶ Hope This Helps You!
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option B. 7x+11 is the correct answer