Answer:
the answer is -1. please thank my answer please and thank you
 
        
             
        
        
        
Answer:
For each part, find how many numbers have the stated characteristic, then divide by 21.
e.g. multiples of 5:
these would be 10, 15, 20, 25, and 30
so prob (a multiple of 5 ) = 5/21
Do the others the same way
 
        
                    
             
        
        
        
<h3>
Answer:</h3>
D-Salary(33) or S(33)
D is correct hope this helps
 
        
        
        
X + (7 + 14x) = 15x + 7
hope this helps
        
                    
             
        
        
        
Distance= √((x2-x1)²+(y2-y1)²) = √((6-3)²+(0-2)²)=√(9+4)=√13  ≈ 3.61