<span>18 - 2t = 12 - 0.5t
6 = 1.5t
t = 6/1.5
t = 4 hours
time required to have the same height = 4hours
At what time ?
answer : at 10pm
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12inch candle lasts longer ..</span>
I am attaching an image with the two solutions represented by the blue areas highlighted in your original graphs. Let me know if you have questions.
From the diagram above you can see that points A and B have coordinates (8,0) and (-4,6), respectively.
The equation of the line passing through the pointa A and B is:

Then

Answer: 
Answer:
See below
Step-by-step explanation:
(-12)²=144 while -(12²)=-144