Can you tell that there is no solution for a system by just looking at the equation

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.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?