Help please! I asked this question three times and my session is about to start I really need to submit it. * can you write the answer as a text?
The question will be in the picture (13,16,17,19)

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Can someone me do math because i am having a breakdown rn because i don’t get it

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