If the markup us 80% and the selling price is $122.40, what is the cost to store?

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?

Which expression gives you the distance between the points (5,1)and(9,-6)

Find the distance between c and d on the number line c=3 and d=11