Which is not a way to show that lines m and n are parallel? a. show that lines m and n are both parallel to another line. b. show that line m is parallel to another line, and line n is perpendicular to that same line. c. show that lines m and n are both perpendicular to another line. d. show that if lines m and n are cut by a transversal, then corresponding angles are congruent.

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct