Answer: 9pi
Step-by-step explanation:
 
        
             
        
        
        
Answer:
b
Step-by-step explanation:
b
 
        
             
        
        
        
Answer:150 
Step-by-step explanation: you see what makes 550 200 plus what 350 then it equal 550 then you see 200 plus what equals 350 150 so that is a 150%
 
        
                    
             
        
        
        
<span>Slope is difference in "y" divided by difference in "x"
(–4,–13) (19,11)
slope = (-13 -11) / (-4, -19) = -24 / -23
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