Travis had a box of 66 french fries. He gave 13 french fries to each of f friends. Which expression shows how many french fries he had left after giving some to his friends?
A.
66 + f × 13
B.
66 - f × 13
C.
(66 + f) × 13
D.
(66 - f) × 13

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