A ball is thrown downward from the top of a 200 foot building with an initial velocity of 24 ft./s. The height of the ball H in feet after tea seconds is given by the equation H equals -16 T^2-24t+200. how long after the ball is thrown will it strike the ground?

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