Answer:
Each plane cuts the other two in a line and they form a prismatic surface. ... The second and third planes are coincident and the first is cuting them, therefore the three planes intersect in a line.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
 


In the figure, the slope of mid-segment DE is -0.4. The slope of segment AC is?
A.) 0.4
B.) -0.4
C.) 2
D.) -2

Step-by-step explanation:

# i hope it helps you
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Answer:
Linear 
Step-by-step explanation:
The numbers add by 4 it’s not scrambled 
 
        
                    
             
        
        
        
Answer:
+12+8=+20
Step-by-step explanation:
Hope it helps you!
 
        
                    
             
        
        
        
Hello,
After decrypting the question:
f(x)=2x^4-4x^3-11x^2+3x-6
f(-2)=2(-2)^4-4(-2)^3-11(-2)^2+3*(-2)-6=2*16+32-44-6-6=8