Hi student, let me help you out! :)
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We are asked to find the slope of this graph; we are provided with two points:



- What we need in order to find the slope are two points and the slope formula.
Here's the formula:

Where
y2 and y1 are y-coordinates
x2 and x1 are x-coordinates
Substitute the values:

Simplify!

Simplify more!

Hope it helps you out! :D
Ask in comments if any queries arise.
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Answer:
y = -3x+-1/5
Step-by-step explanation:
Question A is asking: Considering the distribution shape (i.e skewed left, right, or symmetrical), what measure of center would be used? Explain why that measure of center would be used.
Question B is asking: What measure of variability (or change, i.e range, interquartile range, or standard deviation) would be used for this graph? Explain why this measure would be used.
The customer pays $85 because 10.15 multiplied by 8.375 equals 85.00625 or $85 hope that helps!
Total amount payable= 1000+450*36
Total amount payable=1000+16200
Total amount payable=<span>$17200</span>