Steven and Gina each wrote an expression, but only Steven’s expression is equivalent to 4x - 8. What could be Gina’s expression? Question options:

2(2x - 8)

2(2x - 4)

-(-4x + 8)

4(x - 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.

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The radius of a sphere is 3 inches. which represents the volume of the sphere?