Which operations can be used to solve this problem?

lulu bought 2 blouses for $24 each and 3 pairs of socks for $7 each, tax included. how much change would she receive if she paid with bills totaling $80?

choose two answers that are correct.
a. division b. multiplication c. subtraction

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