Answer:
C) 2+7i   is the correct answer. 
Step-by-step explanation:
simplify by combining the real and imaginary parts of each expression. in this question, the variable i represents an imaginary number.
 
        
             
        
        
        
Answer:
-  2x + 4 = 36
- 2x = 36-4
- 2x = 32
- x = 32/2
- x = 16
Step-by-step explanation:
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8 pigs x 4 legs each = 32. so you need 2 ducks to give you 10 animals total. So 32 + 2 ducks with 2 legs = 36.
There are 8 pigs and 2 ducks.