Printer  $309   Computer $927
p+3p=1,236
4p=1,236
p=309
309x3=927
309+927=1,236
 
        
             
        
        
        
15.  MP(5,11)    S(3,5)   M(x,y)
(3+x)/2 = 5  x=7
(5+y)/2 =-11  y=-27
M(7,-27) is the other point
        
             
        
        
        
5
Step-by-step explanation:
your answer is 5 the greatest common factor is 5 
10= 5
25=5
15= 5
 
        
             
        
        
        
Hmm I would say x=q 
Hope this helps u <3
        
             
        
        
        
9.2195444572928873100022742817628. or square root of 85