The first answer will be marked brainlist

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Select the quadratic that has root x = 8 and x = -5