I'm assuming there is a graph with both functions plotted. The solution would be the point at which these two functions intersect. That coordinates of x and y for that point will yield the solutions for x and y that solve the system of equations.
        
             
        
        
        
Answer:
15. 6647.61
16. 553
Step-by-step explanation:
 
        
                    
             
        
        
        
125/200= 0.625 cents 
0.625 cents to the nearest cent= 0.63
The unit rate is 0.63 miles.
Hope this helps! 
        
             
        
        
        
Answer: 44.4%
Step-by-step explanation:
 
        
             
        
        
        
Lateral surface are = 2( 1/2 x 11 x 11.9) + 2( 1/2 x 9 x 12.3)
Lateral surface area = 130.9 + 110.7 = 241.6 ft²
Answer: 241.6 ft² (Answer C)