Study the following equation. \[\frac{\mathbf{1}}{\mathbf{3}}\mathbf{+}\frac{\mathbf{2}}{\mathbf{9}}\mathbf{=}\frac{\mathbf{N+1}}{\mathbf{N+5}}\] What is the value of N?

• A.  5                    
• B.    \[\frac{5}{9}\]                       
• C.  4                    
• D.     9