Answer:
Step-by-step explanation:
I suppose the expression is this 
We can factor out this expression ( Remember, find two numbers that the sum is 9 and the product is 8. The numbers are 8 and 1)

Answer:
I would say use photomath if you cant find your answer.
Step-by-step explanation:
Mystery of love and my kind of woman
You need more information. How much is each sandwich? You could give that value a variable too. In that case p=price of sandwich so earnings=px