Answer:
The first one
Step-by-step explanation:
 
        
             
        
        
        
Answer:
b = 43
Since 43 is congruent to b
 
        
                    
             
        
        
        
Y=mx+b helps to find slope of a line.
B is where it starts on the y axis.
m is the slope.
        
             
        
        
        
Answer:
Combine like terms onto one side of the equation
Step-by-step explanation:
You have 
-x^2  -4x  - 3  = 2x + 5
It seems that we should combine like terms to make this equations smaller.
-x^2 - 4x - 3  - 2x  - 5 = 0
-x^2  -6x  - 8 = 0
- (x + 2)(x + 4) = 0
x = -2  or  x  = -4
 
        
             
        
        
        
Answer:
5.736x^4 - 2x^2 +22x - 54 
Step-by-step explanation: