The x-coord. of the vertex is halfway between the given zeros.  Here, it'd be halfway between x=3 and x=9, which comes out to x = 6 (answer).
        
             
        
        
        
-- 30 miles per hour
-- $6.50 per hour
-- 365 days per year
-- 60 seconds per minute 
-- $2.49 per pound
-- 3.47⁹ per gallon
-- 1800 calories per day
-- 360 degrees per revolution
        
             
        
        
        
Answer:

Step-by-step explanation:
 
        
             
        
        
        
Answer:
40/100=4/10=2/5 2/5 is the simplest form
 
        
             
        
        
        
Answer:6%
Step-by-step explanation:
Decrease = 1500 - 1410= 90
% decrease = (90/1500)*100%
= 6%