Achemical company makes two brands of antifreeze. the first brand is 20% pure antifreeze, and the second brand is 95% pure antifreeze. in order to obtain 180 gallons of a mixture that contains 35% pure antifreeze, how many gallons of each brand of antifreeze must be used?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Select the sequences that are geometric.

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