Answer:
81
Step-by-step explanation:
[character limit thing]
Thomas got 4,770 dollars off or if you divide it well be 0.82
Answer:
30%
Step-by-step explanation:
Percentage discount

☆ Discount= original price -selling price
The second shape is double the first so you would do AB = 2 and then times by 2 as its double and you will get 4
answer = 4
I would guess it would be
7 and -7