Answer:
4.5 dollars (before tax id assume)
The answer is C) all real numbers greater than or equal to one.
Hope this helps!
I hope you can read this, and I hope you understand how I did 7. I probably overworked it, and it was possibly a simpler way to get it.
Well, I saw my teacher solving the test herself, and then grading papers off of her paper that she solved. My teacher made the answer key for the tests.