Retail price is the price an item is selling for in store so I would say yes unless its on sale.
A= (a+b+c)h is the formula. I hope this is helpful for you. I am pretty positive it will help.
Answer:
I am will take 20 years to get 20$
My friend will take 10 years to get 20$
Step-by-step explanation:

I hope this is be good for you and I want this money
you would do PEMDAS
you do -3 times 4. then you do that and devide by -3.