Solve.
2x + 7 ≥ 27 or 3 + 3x ≤ 30

A) 10 ≤ x ≤ 9 B) x ≥ 10 or x ≤ 9 C) x ≥ 17 or x ≤ 11 D) x ≤ −10 or x ≤ 9

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