A) N +2 = Q which equals 
A) N -Q = -2
B) .05N +.25Q = 3.50  multiplying A) by .25
A) .25N -.25Q = -.5  then adding A) and B)
.30N = 3
Nickels = 10 Quarters = 12
*************DOUBLE CHECK ***************
.05 nickels = $0.50  .25 Quarters = $3.00 
 
        
             
        
        
        
169 because you have to add the angles from the inside and the firat angke is 90
        
             
        
        
        
Answer:
it should be 6 not 100% sure though
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1st option:  55 + 19.50m = 250
Step-by-step explanation: