Answer:
(5,-8) 
Step-by-step explanation:
if it is reflected across the X axis and this is in quadrant 3 that means if it was reflected it would fall in quadrant 2
 
        
             
        
        
        
Answer:
70
Step-by-step explanation:
the 7 is in the tenths place of the number, so its value is 70
 
        
             
        
        
        
399,713 rounded to the nearest thousand is 400,000