I think the answer might be C, but I'm not 100% sure.
        
             
        
        
        
17 + 2 = 19 km is 1/2 of the total length, that is, 
19 = (1/2)h
(1/2)h = 19 multiply both sides by 2
h = 2*19
h = 38 km
The total length in kilometers is 38 km
        
             
        
        
        
volume = 7*7*2 = 49*2=98 
 she needs to get 98 cubic feet of sand
 
        
                    
             
        
        
        
Answer:
(0,1)
Step-by-step explanation:
the answer is (0,1)
 
        
             
        
        
        
Answer:
Right angle
Step-by-step explanation:  you take the 57% angle and ad that with 
the 33% angle and you got a prefect 90% also known as a "Right angle"