Answer:
yjyjytjyjtyjyjtyjtyjyhjyjnfrhjnrthj
Step-by-step explanation:
 
        
             
        
        
        
900 because 9 is greater than 5 so it rounds to my answer.
        
                    
             
        
        
        
Answer:
Step-Opens up with a vertex at (4,-1)by-step explanation:
 
        
             
        
        
        
Nice to know how long parallelogram is 72 meters :)
 
        
             
        
        
        
Answer:
See below.
Step-by-step explanation:
1.) 5√6
2.) 6√2
3.) 3√7
To solve this without the use of a calculator, split the given number into a series of products (numbers multiplied) and look for pairs. 
Look at the attached example of Problem 1 to get a better idea of what I mean.