53% of 470 is exactly 249.10000000000002. What ever is closest to that is your answer.
Explain your question more
According to my calculations,
A. is the correct answer.
8√5
2.50$ is the better deal. If you times 0.70$ to 5 it is 3.5$ which is more expensive
The vertex is (-1.5, -6.75). So the x-coordinate is -1.5. Hope this helps and if so please leave a good rating and thanks. I really appreciate it. Have a nice day!