Answer: 1. no
               2. yes
               3. no
               4. if they are talking about the repeating number in -5/6, then yes the repeating number is 3. 
               5. no
I'm not 100% sure abt these answers but since nobody is answering so far here's my opinion :D I really don't want you to lose 100 points so pls b careful!!
 
        
             
        
        
        
Answer:
-x
Step-by-step explanation:
12x-13x is -1x which can also be written as -x
 
        
             
        
        
        
D. , this is a good way because this way you can easily multiply and then you'll see your answer right in front of you.
** This is an opinionated question so you don't have to listen to my answer but please rate my answer. Thanks!
 
        
                    
             
        
        
        
Step-by-step explanation:

 
        
             
        
        
        
Answer:
A)  5600 ft
B)   5600 ft
C0 More than a mile
Step-by-step explanation:
4850 * sin(60) = 5600