LIl find the letter i in lIl

What is the pattern in the values as the exponents increase?

What is the measure of ac? 5 units 13 units 26 units 39 units

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.