HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEMacy created an equation to represent the table below. The equation she came up with is y = x + 6, but her teacher said she was wrong. Find Macy's mistake and explain how to fix it.
Number of Notebooks (x) 3 5 6 9 10
Price (in dollars) (y) 9 15 18 27 30