Amaya is graphing the inequality x greater-than 11 on a number line. Which statements below describe steps she may take to graph the inequality correctly? Check all that apply.
Draw an open circle at 11.
Draw a closed circle at 12.
Shade all numbers to the left of 11.
Shade all numbers to the left of 12.
Shade all numbers to the right of 11.
Shade all numbers to the right of 12.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.