Answer:
He collected 180 other stamps
Step-by-step explanation:
Sorry if it's wrong 
 
        
                    
             
        
        
        
Answer:
y+48=90 
y= 90-48
y= 42
Step-by-step explanation:
ok
by using the property 
sum of two opposite interior angles of triangle is equal to exterior angle
 
        
             
        
        
        
Answer:
According to me,
<h2>48 is the answers</h2>
 
        
             
        
        
        
15 dollars because you subtract production cost from what is charged
        
                    
             
        
        
        
8x + y - z
You can tell because each term is separated by an operator such as +, -, *, or /