What is the length of a line segment whose endpoints have coordinates (8,8) and (-2,-6)?

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)