Elise graphed the relationship between temperature and elevation for several cities. The -coordinate is the elevation in meters and the y-coordinate is the temperature in °C.
Y
Quadrant II
Quadrant I
→ 2
Quadrant III
Quadrant IV
Which quadrants could contain a point showing a city above sea level?
Ok

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem