Answers:
1st pic: 
a) 2 
b) 2.5 or 2
2nd pic: 
a) 4
b) 5 
c) 9
3rd pic: 
a) 5 
b) 3
Note: I may not be correct on all of them. Some of them were confusing a little bit, so I just wanted to let you know. Please don't come after me in the comments if I am wrong with one of the answers. In reality, you should be doing this. Either way, I hope this helps! Please, please, PLEASE mark brainliest. I would really appreciate it. :)
 
        
             
        
        
        
The converted the percentage to a decimal the wrong way.
 Move the decimal point 2 places to the left.
6.5% as a decimal is 0.065
525.05 x 0.065 = 34.13
X = 34.13
 
        
             
        
        
        
Answer:
8/25 is the simplest form
 
        
             
        
        
        
Volume = 45 
Bc
3 rows wide
5 rows long 
3 rows tall
5x3=15
15x3=45