Look at the link below I filled in the answers for you. :)
Answer:
There's no picture for us to refer to. I need a picture to answer the question.
In 5xy it would be 5x×1y and then 2y if they variable doesn't have a number infront of it it is assumed to be a One.
Answer:
<u>With parentheses:</u>
(3 - 4)(4 + 5)/3
<u>Without parentheses:</u>
7 + 6 - 11 × 2
Hope this helps! :)