The International Space Station has 328 experiments in 15 different labs. What is the unit rate that represents the amount of experiments in each lab? Round your answer to the nearest tenth.
a) 328 experiments per 15 labs
b) 21.8 experiments per lab
c) 49.2 experiments per lab
d) 21.9 experiments per lab

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