Answer:

Step-by-step explanation:
Represent
- number of jackets with x
- costs of jackets with y
So, we have:


Required
Write an equation in form of y = mx + b
First, we need to determine the slope (m)




The equation is calculated using:

Where


So, we have:


Make y the subject


You can't see the picture, please reach out once i can see it
Answer:
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Sample answer from Edmentum
Answer:
D = (9.6,0). AC is horizontal with y=0 at all points on AC. Also, because BD is an altitude, it forms a right angle with AC, so BD is a vertical line. For all points on BD, x= 9.6.
Hope this helps, have a good day (:
The answer u have been waiting for is 12.