Please help for the whole section i really need this answer am failing my math class

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

What is the absolute value of -100000000000000?

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.