If you know the area of a circular field is 6358.5 m2, what is the radius of the field? Hint: Remember to start with the area formula.
r = 90 m
r= 2,025 m
r = 5 m
r = 45 m

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.