Ascientist needs 10 liters of a 20% acid solution for an experiment but she has only a 5% solution and a 40% solution. to the nearest tenth of a liter about how many liters of the 5% and the 40% solutions should she mix to get the solution she needs? find the equation

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