2 answers:
            
              
              
                
                
Answer:
n = -3
Step-by-step explanation:
-5n -3(n+2) = 18
-5n - 3n - 6 = 18
-8n - 6 = 18
-8n = 18 + 6
-8n = 24
n = -3
Hope this helped! If not, please let me know <3
 
                                
             
                    
              
              
                
                
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Step-by-step explanation:
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Answer:
BCD is the outer angle of triangle ABC
=> BCD = ABC + BAC
<=> 150⁰ = ABC + 118⁰
=> ABC = 150⁰ - 118⁰
<=> ABC = 32⁰
 
        
                    
             
        
        
        
Answer:
f(- 3) = 18
Step-by-step explanation:
To evaluate f(- 3) substitute x = - 3 into f(x)
f(- 3) = (- 3)² - 2(- 3) + 3 = 9 + 6 + 3 = 18
 
        
                    
             
        
        
        
First, third, fifth, and sixth answer
        
                    
             
        
        
        
Answer:
Both are Obtuse Angles
Step-by-step explanation:
 
        
                    
             
        
        
        
<span>3a4y3 − 12a3y2 + 6a2y
=3a^2y (a^2y^2 - 4ay + 2)
answer is </span>3a^2y (a^2y^2 - 4ay + 2) (second choice)