Answer:
Hi, I believe 1-0.25c is the correct answer.
Step-by-step explanation:
This is because 25% off would mean taking 25 off of a whole amount, which in this case would be one. 
 
        
                    
             
        
        
        
Answer:
2.5909090909
Step-by-step explanation:
 
        
             
        
        
        

Translate the words into math and solve for x. Any questions let me know.
 
        
             
        
        
        
Answer:
16 I guess.
Step-by-step explanation:
lolololololol?
 
        
             
        
        
        
Answer:
You would have to find the area of the whole rectangle without the spece, so it would be 30mm x 15mm, the result would be 450 square mm.
Then you find the area of the empty space which would be 10mm x 8mm, the result: 80 square mm.
You substract the area of the space from the whole rectangle, which would be 370 square mm, this is the area of the figure