Answer:
x=17
Step-by-step explanation 
i just did the exact same question on a test and got it right .
 
        
             
        
        
        
Angles 1 and 3, angles 2 and 4, angles 5 and 7, and angles 6 and 8. They are also congruent, because vertical angles are congruent.
        
             
        
        
        
Answer:
A.18.9285714286
B.18 remainder 39
Step-by-step explanation:
0	1	8
4	2	7	9	5
  −	0    
    7	9  
  −	4	2  
    3	7	5
  −	3	3	6
      3	9
 
        
             
        
        
        
Answer:
The answer is 10.6 (I'm sorry if it's wrong)
Step-by-step explanation:
found out what D and B is (they both are 4 I think) then add 10 with 8 then divide 120 with 18 which is 6.6 then add what D is and then I got 10.6
 
        
             
        
        
        
I belive this is -3x+3/x^3
hope this helps!