Answer:
53$
Step-by-step explanation:
They tell you the equation of how much the coin is worth after x amount of years 
Step 1: Substitute x=19 into the equation y=2x+15
y = 2(19) + 15
Step 2: Solve for y
y = 2(19) + 15
y = 38 + 15
y = 53
Therefore the coin is worth 53 dollars after 19 years
 
        
                    
             
        
        
        
The number was 4,654. Hope I helped! Please rate me the brainliest!!!
        
                    
             
        
        
        
 Answer:
y is equal to 4. 
Step-by-step explanation:
To find this, cross multiply and then divide. 
10*2 = y*5
20 = 5y
4 = y
 
        
             
        
        
        
Answer:
the first graph does////=//
 
        
             
        
        
        
Answer:
M= -16
Step-by-step explanation:
Thats the answer if youre doing one step equations