Whích system of equations shows a solution of (0.5, -1)?

The diameter of a table is 5 feet. what is the circumference

What term best describes a line ans a point that lie in the same plane

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.