I need help right now someone please help!! Thank you for your time.

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

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)