The running time in minutes of the tv episode is 30-0.5c where c is the number of commercials aired during the episode. what is the running time of episode 15 commercials

Asquare parking lot has 6,400 square meters what is the length in meters

What situation is an example of an observational study

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?