Throughout the day, the depth of water at the end of a dock varies with the tides. the function h(t)=5cos(0.5t-2)+7 represents the height, in feet, of the water t hours after midnight. which graph shows the height of the water at the dock at any time after midnight?

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