D because your making the shape smaller 2 times
        
             
        
        
        
Answer:
14.7 (Because you asked for no units)
Step-by-step explanation:
The volume of this triangular prism is 1/2 BHL
0.5 * 3.5 * 2 * 4.2 = 14.7 ft^3
 
        
             
        
        
        
Answer:
19/3 or 6.33 continuing 
Step-by-step explanation:
using pemdas, do the exponent first 
6-2=4
then multiply by 4
4x4 is 16
add 3^2 to this, which = 9
so 16+9-6 is on top which equals 19, this is over 3
so 19/3
 
        
             
        
        
        
Answer:
time = distance/speed
3080/770 = 4 
So it took 4 hours. 
Step-by-step explanation:
 
        
             
        
        
        
The answer to t is t= 21/2