WILL GIVE BRAINLIEST Which expressions are difference of squares? Select all correct answers.

x2 + y2

x8 - 4

y2 - 25

x2 + 9

(the numbers next to the x's are exponents, i dont know how to write them on here)​

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