Answer:
c
Step-by-step explanation:
 
        
             
        
        
        
Answer:
see attachment
Step-by-step explanation:
The given equation is

The graph of the left hand side of this equation is 

This quadratic graph has its vertex at (0,2) and turns upside down.
The right hand side of the equation is 

This quadratic graph opens upwards and has its vertex at (0,-8).
The two graphs intersects at two points , which are (-2,0) and (2,0).
 
        
             
        
        
        
Answer:
121
Step-by-step explanation:
31+90 = 121 
180 - 121 = 59
180 - 59 = 121
 
        
             
        
        
        
A2=a1*(-1)=8*(-1)= - 8
a3= (-8)* (-1)= 8
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a(n)= a(n-1)* (-1)
        
             
        
        
        
Answer:
28 pounds 
Step-by-step explanation:
448 ounces = 28 pounds