Answer:
x=-1 and x=9
Step-by-step explanation:

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therefore x=9 and x=-1
Answer:
Step-by-step explanation:
50,000
I think
Answer:
-1.666666...
Step-by-step explanation:
X represents the elapsed time in hours.y represents the speed in miles per hour.
the equation: y = -1.5 * x + 8
the equation to model this is y = -1.5 * x + 8 - 3
simplify this to get y = -1.5 * x + 5.
She will be traveling at a net speed of 0 miles per hour in 3 and 1/3 hours.
The graph is the attached photo.