Please hurry. I don't have much time.

The system of equations graphed below has how many solutions? y = 2x + 2

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.

Reflect the point (7,0) across the y-axis