Amir drove from Jerusalem to the lowest place on Earth, the Dead Sea. His altitude relative to the sea level (in meters) as a function of time (in minutes) is graphed. How long was each descent by 88 meters?
A. 10 minutes
B. 8 minutes
C. 11 minutes
D. 44 minutes

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