Answer:
La raíz cuadrada de cualquier número se puede expresar usando la fórmula: √y = y½.
 
        
             
        
        
        
Answer:
9x, 8x+12
Step-by-step explanation:
x(2x+7)-2x(x-1)
=> 9x
 
        
             
        
        
        
Answer:
 29 units
Step-by-step explanation:
The length of a segment of a number line is the difference of the coordinates of the end points:
 45 -16 = 29
 
        
             
        
        
        
Answer:
5.2 Km/Min
Step-by-step explanation:
Speed/Rate= Distance/Time 
Speed/Rate = 114.4/22 
Speed/Rate = 5.2 KM/min
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
5x + 9y = -11
3x + 9y  = -3
5x + 9y = -11
-3x - 9y = 3
2x = -8
x = -4
-12 + 9y = -3
9y = 9
y = 1
(-4, 1)
Answer is C