Janas dentist appointment was at 4:30 PM. It takes Jana 20 minutes to walk to the dentist's office, 20 minutes to get ready, and 30 minutes to clean her room. What time should she start cleaning her room?

For which rational expression is -2 an excluded value of x?

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?

How do you convert 1.27 to a percentage