Answer:
3.29ft/mi
Explanation:
The gradient of a river is the slope through which a river flows. It measures the vertical drop in elevation of river to the horizontal distance. 
  Mathematically; 
   River gradient =  
  
  Elevation  = 1229ft
 Horizontal distance  = 373miles 
   River gradient  =  = 3.29ft/mi
   = 3.29ft/mi
 
        
             
        
        
        
I'm pretty sure that it's A, a little higher because most of the lava runs down the sides of the volcano.
        
             
        
        
        
Answer:
The U.S. Exclusive Economic Zone extends 200 miles from a country’s coastline,giving that country exclusive control over any natural resources.
 
        
             
        
        
        
Answer: am equals 11 and ab equals 50÷8 
Explanation:
Just add or divide or multiple or subtract 
 
        
             
        
        
        
I'm pretty sure they are talking about the revolution of the moon orbiting the Earth. (Which is going counterclockwise) I'm not 100% sure though.