3 feet from each end of the mantel
Answer:
The slope of the line is 10
Step-by-step explanation:
To find the slope, simply identify 2 points on the line. I chose: (1,10) and (2,20)
20-10=10
2-1=1
The slope of the line is 10
To check this answer, just multiply X with 10 and you will always get Y!
199.
the z score for the 90th percentile is 1.28, so you can solve the equation

which gets you the 199
Y=180-111=69
x=360-123-70-69=98
That's your answer.