If you mean 1 and 7 over 100 then the answer is 1.07
        
             
        
        
        
Answer:
19,23
Step-by-step explanation:
9+x-7≥ 21
Combine like terms
2+x≥21
Subtract 2 from each side
2+x-2 ≥21-2
x≥19
Any number greater than or equal to 19
 
        
             
        
        
        
Answer:

and 

Step-by-step explanation:
First make all the fractions into improper fractions

After doing that put them back into the problems
Problem 1)
  ÷
  ÷  , plug in the improper fractions
 , plug in the improper fractions 
 ÷
 ÷  
 
to divide, you need to flip the second fraction and multiply 
 ·
·  =
 =  
 
then reduce

Problem 2) 
 ÷
÷  
 
Plug in improper fraction 
 ÷
 ÷  
 
Then flip second fraction and multiply 
 ·
 ·  
 
Multiply 
 
 
Reduce, or make it a mixed number 

 
 
        
             
        
        
        
Answer:
90 inches
Step-by-step explanation: 7 feet*12 inches= 84 and .5 feet*12 inches= 6.
84 inches+ 6inches=90inches