Answer:
I believe its B, sorry if im wrong 
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Answer:
i dont know
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Not really sure what you mean by compare. The only thing I can think of is the y intercept is generally a good point to start from to count the rise/run
        
             
        
        
        
Brent estimates that the model's circumference is about 3 times the measure of the circle's diameter, with this, he can estimate the area.
<h3>What is a 
circle? </h3>
A circle is the locus of a point, such that the distance from a fixed point (center) is always constant.
The circumference of a circle is given by:
Circumference = π * diameter
Brent estimates that the model's circumference is about 3 times the measure of the circle's diameter, with this, he can estimate the area.
Find out more on circle at: brainly.com/question/24375372
 
        
             
        
        
        
Answer:
a= k/4+9b
Step-by-step explanation:
hope this helps, if not let me know!