bought 6 CDs that were each the same price. Including sales tax, he paid a total of $87.60. Each CD had a tax of $0.90. What was the price of each CD

Which is a graph of a proportional relationship?

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

Plz ( true - false) all triangles have interior angles whose measure sum to 90.