Answer: -640, 2560
each number in the sequence is multiplied by -4 to get the next answer 
 
        
             
        
        
        
Answer:
Option D is correct
Step-by-step explanation:
The identity matrix is the matrix, in which, the diagonal elements are 1 and all of non-diagonal elements are 0.
Hope this helps!
 
        
             
        
        
        
Answer:
-1
Step-by-step explanation:
x-2 = -3
x=-1
answer is negative one
 
        
                    
             
        
        
        
Answer:
21,42,84,168,336,672, 1,344
Step-by-step explanation:
The pattern is to multiply the previous term by 2 to find the next term. The seventh term should be 1,344.
 
        
                    
             
        
        
        
Step-by-step explanation:
-3 (v + 4) = 2v - 37
-3v - 12 = 2v - 37
5v = 25
v = 5