Answer:
A=30
Step-by-step explanation:
We know through the Angle Sum Property of A Triangle that 
all its angles add up to 180 degrees
Hence, A + (a+b) +B= 180
A+100+50=180
A+150=180
A=30
 
        
             
        
        
        
Answer:
0 represents the water level.
Step-by-step explanation:
The ring started out at -10 and moved upwards to 0.
 
        
             
        
        
        
2 is magnetic for your information
        
                    
             
        
        
        
Answer:
Point S is the endpoint of a ray. 
Step-by-step explanation:
A ray is a line with a single endpoint (or point of origin) that extends infinitely in one direction. Point S is the endpoint for rays SR, SU, and ST.
 
        
             
        
        
        
Answer:
C. The graph of g(x) is the graph of f(x) horizontally stretched by a factor of 5.
Step-by-step explanation: