Answer: 22
Step-by-step explanation:
 
        
             
        
        
        
Answer:
V=1/3hπr². Basically, 1/3 x height x 3.14 (pi) x radius squared. 
Step-by-step explanation:
The formula of figure 2 would be 1/3 x 15 x 3.14 x 8 squared.  The volume of figure 2 would be 1005.30965
the formula for figure 3 would be 1/3 x 15 x 3.14 x 4 squared. The volume of it would be 251.32741
hope this helps! (Also please make me brainliest if this helps u :) )
 
        
             
        
        
        
Answer:
k=7
Step-by-step explanation:
Add 15 to both sides, -8+15=7
So, K=7
 
        
             
        
        
        
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