This assignment is passed due

What is the value of the digit 1 in the number 13?

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?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?