Answer:
i would say the answer is  (b) 40
Step-by-step explanation:
 
        
             
        
        
        
17,98 $ (subtraction)
Hope that helpful ! 
        
                    
             
        
        
        
Answer: she scored 4 points
Step-by-step explanation: 5% of 80=4
;-----------;
 
        
                    
             
        
        
        
Answer:
D. A square because it has 4 right angles.
Step-by-step explanation:
A square is a rectangle but a rectangle is not a square.
 
        
             
        
        
        
Yes, this is a right triangle!
The ratio is identifiable as a 3:4:5 triangle, one of the ratios to tell if a triangle is a right triangle