3/4 + 5/6 divided by 2/3

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?

Match each set of points with the quadratic function whose graph passes through those points

Find the derivative of the function