Answer:
1. -3   2. 3
Step-by-step explanation:
Evaluate each expression is very simple concept in math. When you substitute a particular value for each variable and then act the operations called evaluating expression. 
 
        
                    
             
        
        
        
The answer is 56%
You first divide 28 by 50=.56, then since it's a decimal, you move the decimal twice to the right to make a percentage=56%
        
             
        
        
        
The best and most correct answer among the choices provided by the first question is letter E which is all of the above.
On the other hand, the best and most correct answer among the choices provided by the second question is  letter A which is rebirth and coming death.
I hope my answer has come to your help. Have a nice day ahead and may God bless you always!