Tell whether x and y are in a proportional relationship. if so, find the unit rate. let y be the temperature x hours after midnight. the temperature is 60 degrees fahrenheit at midnight and decreases 2 degrees fahrenheit every 1/2 hour. a. yes, 1 degree fahrenheit per hour b. yes, 2 degrees fahrenheit per hour c. yes, 4 degrees fahrenheit per hour d. no

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