Please answer this question I'm new here

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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