So that answer is in this picture that I wrote on my white board, count all of the hundreds I drew on the board.
 
        
        
        
the choices are below
the predicted mean of the population will be less than 200.
The predicted mean of the population will be less than 245.
The predicted mean of the population will be more than 275.
The predicted mean of the population will be more than 250.
b is the answer
 
        
                    
             
        
        
        
Answer:
The answer is D
Step-by-step explanation:
Base area: 9 x 7 = 63
63 x 5 = 315
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Answer: A
Step-by-step explanation:
If you flip the second triangle straight upwards so that x is on top and z,y are on the bottom, you could visualize the points and angles in the same locations.