Which quadratic expression is written in standard form? A. (x+3)x
B. (x + 4)
C. - X° - 5x + 7
D. x + 2(x + 3)

10 points? me . its important ‼️‼️

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

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?