The answer to your question is option d as x is positive ( making it open up), and the vertex is (-3,-4)
Answer: division property of equality
Step-by-step explanation:
8x = 80
You divide the number with the letter you are trying to find (x) on both sides, so 8 divided by 80, you get 10.
What you have to do is multiply 21 by 2. it is 42. $42 dollars was the original price of the bookcase.
It's easy you just need to multiply both numbers by 25
