What's the conversion factor used to convert inches to yards?

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?

Sum is 17 and their difference is 3

What is not true about kl and mn? what is mn? (show )