Hello :) please refer to the pic below!
 
        
        
        
Answer:

Step-by-step explanation:
Calculate the distance using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = A(- 2, 5) and (x₂, y₂ ) = B(3, 8)
d = 
    = 
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i would say the answer is 17  because i used the calculator 
 
        
             
        
        
            
            
                Which relation IS a function? A.{(3, -2), (5, 1), (1, -1), (4, 4), (5, 4)} B.{(2, 3), (2, 2), (3, 4), (4, 3), (5, 0)} C.{(1, 5), 
                DIA [1.3K]             
         
        
Answer:
Step-by-step explanation:
the answer is D because in D none of the x's repeat