Answer:
the purpose of this as is to get everyone excited about the roller coaster
Step-by-step explanation:
 
        
             
        
        
        
2x+y=8 is the equation perpendicular to x-2y=8.
 
        
                    
             
        
        
        
36%
Hope this is right im only 11  :)
 
        
             
        
        
        
Answer:
k = -3
Step-by-step explanation:
1) Simplify
5+20k+7k=28k+8
2) Combine the k's
5+27k=28k+8
3) Subtract 27k on both sides
5=k+8
4) Subtract 8 on both sides
-3=k or k= -3
 
        
             
        
        
        
77.) x= {-5, 6}
78.) x= {-4, 9}
79.) x= {5/3, 2}
80.) x= {1/9, 3}
81.) x= {-6, 18}
82.) x= {-3√3 +4, 3√3 +4}
83.) x= {-7, -3}
84.) x= {-√85 +9 /2, √85 -9 /2}