The y-axis would be the line split vertically down the middle. That said, if you would have to reflect the figure over the y-axis, you would have to think of the line as a mirror. That said, if you're reflecting across the y axis to the from the right to left side, just change the numbers from (x,y) to (-x,y).
6%=0.06 if you want to know how much he paid for the sales taxes you multiply 7.5 by 0.06 7.5 . 0.06= 0.45 7.5+0.45=7.95 8>7.95 Jay have enough money to buy the book
