Answer:
Exactly 3.54331
Step-by-step explanation:
Since 1 cm = 0,39 inches, just multiply 0,39 by 9 and there is your answer.
 
        
                    
             
        
        
        
Answer:
All real numbers
Step-by-step explanation:

Start by distributing -2 inside the parentheses.

Combine like terms on the right side of the equation.

Subtract 8 from both sides of the equation.

Divide both sides by -2 to isolate y.

This is a true statement, so there are infinite solutions.
 
        
             
        
        
        
Answer:
4900
Step-by-step explanation:
If 55% of workers are women, then 45% are not; therefore, we need to answer the following:
2205 is 45% of what number?
2205=45%x
2205/.45=x
4900=x
 
        
             
        
        
        
Answer: 1. a 
2. -75
Step-by-step explanation: