The equation of a circle:

(h,k) - the coordinates of the centre
r - the radius
 
 
        
        
        
Answer:
3n + 2.
Step-by-step explanation:
Just combine like terms.
 
        
             
        
        
        
For easier calculation,
convert 4years 8months into months. This would give you 56months.
Amit is 56months old.
4 units/proportion =56
1 unit=56/4
5unit=56/4 ×5(simplify)
        
             
        
        
        
Answer:
-25
Step-by-step explanation:
 
                       2x + 50 = 0
                                2x = 0 - 50
                                      = -50
                                    x = -50 / 2
                                       = -25
<em>Hope this helps</em>
<em>:D</em>