First you had to expanded form.


Finally you can also add by similar to elements.


Final answer: 
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie
Answer:
um OK
Step-by-step explanation:
f
Y = 3
If you'd like an explaination, please, ask.
I just don't want to write all of the steps out -- yey, apathy.
Answer:
the answer is A as it says shoe in the last one which immediately eliminates that option and as of for store b u only save 5 bucks