Tyra has 12 2/3 cups of sugar. If r is the amount of sugar called for in one batch of cookies,
the expression 12 2/3 ÷ r can be used to find how many batches Tyra can make with the sugar she has.
If r is 2/3 cup, how many batches of cookies can Tyra make?

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