Which is vertical to <7​

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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.

27 is what percent of 108? 27 is % of 108