In the figure, AB⎯⎯⎯⎯⎯∥CD⎯⎯⎯⎯⎯⎯ and m∠2=60°.

What is m∠8?

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?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.