Answer:

Step-by-step explanation:







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Answer:
I think that it equals 1ab. Because 3ab - 9ab= -6ab + 7ab= 1ab
Answer: one variable decreases as the other increases
Step-by-step explanation:
Answer:
Step-by-step explanation:
What is the question?
Amount of change = 5.5-3.1 = 2.4 inches
Percentage change = 2.4/3.1 ≈ 77.4% increase