Need help finding the length of the missing side

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

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