Write an equivalent expression. (X + 8) + 3y W Choose the correct answer below. OA. (X + 8) + 3y = x(8 + 3y) OB. (X + 8) + 3y = 8 - (x + 3y) OC. (X + 8) + 3y = 3(X + 8) + y OD. (X + 8) + 3y = x + (8 + 3y)​

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