Answer:
Option 1. Hope this helps! :). 
Sincerely; Victoria
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
c. -4a + 22b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
1.25
Step-by-step explanation:
Move the decimal place two spaces left to go from a percentage to a decimal. 125.0% becomes 1.25.
 
        
                    
             
        
        
        
She spent $23.25, how I got my answer.
I divided $13.50÷2=$6.75 then I added $6.75+3=$9.75 then I added $9.75+$13.50=$23.25.
I hope this helps.