Answer:
5.5 feet per second or 330 feet per minute
Step-by-step explanation:
550/100 seconds = 5.5 feet per second   
5.5 x 60 = 330 feet per minute
 
        
                    
             
        
        
        
What vectors? do you have more info?
        
             
        
        
        
Answer:
3000 meters
Step-by-step explanation:
1 kilometer = 1000 meters
1 kilometers = every 20 minutes
3× 1000 meters= 20 min ×3
3000 meters = 60 min/ 1 hour
 
        
             
        
        
        
Answer:
49/4 inches
Step-by-step explanation:
Inches below ground=  3 1/2 inches
Plant's full  height=15 3/4 inches
Height above ground = 15 3/4 inches -3 1/2 inches
63/4 - 7/2
63-14/4
49/4 inches
 
        
                    
             
        
        
        
4/10 would be 2/5 in simplest form.
I hope this helps! (: