Which histogram represents the times from team are on the obstacle course

Select the sequences that are geometric.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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?