Answer:
9 cm
Step-by-step explanation:
→ Remember how many sides a square has
4
→ Divide it by the perimeter
36 ÷ 4 = 9
 
        
                    
             
        
        
        
9/1 and then your answer would be 9 and then add the a so your full answer would be 9a
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Assumed the starting point is the sea level 0.
<u>After 2.8 min the diver is at position:</u>
- 20 1/2 * 2.8 = 
 - 20.5 * 2.8 = 
 - 57.4 feet below sea level
 
<u>The position change after next 2 minutes:</u>
<u>The position of the diver after 4.8 min:</u>
- 57.4 - 50 = 7.4 feet below sea level
 
 
        
             
        
        
        
I think the answer to your question is 
3,942,000