Which items have the same percent discount. Victor chose C How did he get that answer

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Write the function for the graph. (1.8) (0,4)