In the figure, line segment ab is parallel to line segment cd. the measure of angle c degrees, and the measure of angles d degrees.

Which of the following is the rational exponent expression of 6 root f

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?

Solve: 3x+y=6 4x-2y=18 show all work !