Answer:
Step-by-step explanation:Worked out on paper shown below
Also I recommended a online app called (it has wierd name but it’s helpful for algebra) mathpapa 
Also I do math in pen so the last answer is messed up it’s 4c^2d and then the rest of the parentheses.Sorry for that.
 
        
             
        
        
        
Answer:
1. have se x
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer
Of is Multiplication I believe
Step-by-step explanation:
Of is multiplication
 
        
             
        
        
        
If during a given month your average daily credit card balance is $800 and your yearly interest rate is 17%, then the interest you owe on your credit card for that month would be: $11.33