Alex's cell phone bill charges $.05 per minute. a)What is the cost of the phone bill per hour?
b)How much money will Alex pay if she uses her cell phone for 8.5 hours?​

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?