Pls help will mark brainliest

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.

15/16 as a decimal rounded to the nearest hundredth

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept