Answer:
TRIANGLES
Step-by-step explanation:
 
        
             
        
        
        
Answer:
7 -5i
Step-by-step explanation:
The additive inverse is the number we add to make it equal to zero
-7+5i + x = 0
the real part
-7 + x = 0
x = 7
The imaginary part
5i+x = 0
x = -5i
The complex x is
7 -5i
Notice it is the opposite of the number
- (-7+5i)
7-5i
 
        
             
        
        
        
Answer:
1/5 
Step-by-step explanation:
2 units divided into 5 marks each = 10 marks
2/10 = 1/5 unit each mark 
 
        
                    
             
        
        
        
Answer:'
-9.7 minus, in 13 
Step-by-step explanation:
 
        
             
        
        
        
3.615 x 10^2 i hope this helps