Give the coordinates of the points on the coordinate plane. 1. A (_ , _)
2. B (_ , _)
3. C (_ , _)
4. D (_ , _)
5. E (_ , _)
6. F (_ , _)

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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.