On Monday, Marv digs a hole 5 feet below the surface. On Tuesday he continues digging until the hold is twice as deep. What is the depth in feet of the hole on Tuesday relative to the surface?

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?