When the square of a number is added to the number trebled, the result is 108. what is the number? (solve it in quadratic context, plsss, finding it really difficult)

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

Which of the following can be used to explain a statement in a geometric proof?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red