Write expanded form. one million, three hundred forty five thousand, eight hundred twenty

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.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

What is x and y intercepts for y=x+7