Find k so that (1,k) is equidistant from (4,0) and (-4, 8)

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

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?