Answer:
Undefined 
Step-by-step explanation:
The square root of a negative number does not exist in the set of real numbers so it would be Undefined
 
        
             
        
        
        
The answer is A. (3,-1/2)
        
             
        
        
        
Answer:

Step-by-step explanation: 
First, we have to write 8 + x, but since it's half of that we write it as a fraction with a 2 on the bottom to halve it.
 
        
                    
             
        
        
        
Answer:
the answer would be 135 meters
Step-by-step explanation:
 If, to scale on a map, 1 centimeter is 3.5 meters, them 2 centimeters is 7 meters. so on and so forth until 30. 30 (centimeters) times 3.5 (meters) is 135. hope this helped!!!!! reply if this doesn't make sense