The sum will be: 
sigma(i = 1 to infinity, 30*(2/5)^i) 
->

Which is equal to 30/(3/5) = 50
 
        
                    
             
        
        
        
Answer:
 π^2, 9.8 repeating, square root of 99.
Step-by-step explanation:
 
        
             
        
        
        
It is finding the closest estimate to number. Rounding is used in everyday calculations and in many different fields of work
        
                    
             
        
        
        
Answer:
 13/4
Step-by-step explanation:
To find the slope we use the equation
m= (y2-y1)/(x2-x1)
    = (85-20)/(20-0)
     = 65/20
     = 13/4