m+f=38
(f-4)^2=m-4
f^2=m IF their age is 30 combined
4^2=16
16=16
Fred is 4, Mabel is 16.
 
        
             
        
        
        
G-(-43)=19
g+43=19
g=19-43
g=-24
B.
        
             
        
        
        
Well the answer to 1274 plus 3599 = 4873. but I don't know what you are asking for?
        
                    
             
        
        
        
They are never perpendicular. They will be parallel and will never meet!