Vincent wants to have balloons delivered to a friend. He can choose between two
stores.
• Store) charges $70.00 for delivery,
plus $2.50 per balloon delivered.
• Store K charges $60.00 for delivery.
plus $5.00 per balloon delivered.
The equations below represent the charges
at the two stores, where represents the
total charge for delivering balloons.

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