Which attribute is shared by both squares and trapezoids? A) 4 sides
B) 4 right angles
C) All sides of equal length
D) 2 sets of parallel sides

Determine the quotient of the following expression. (15n^2-27n) / 3

Someone me i need with this stuff

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