S ( s + 1)/ 2
so <span>The sum of the first 100 positive numbers
100(100 + 1) / 2
= 50(101)
= 5050</span>
        
             
        
        
        
Step-by-step explanation:
110+ f =180
f = 180-110
f=70
 
        
                    
             
        
        
        
Answer:
The answer would be Image A.
 
        
             
        
        
        
The answer is 9/28. Double check my work
 
        
        
        
Answer:
Step-by-step explanation:
it is C