What is Three less than seven

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

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?

27 is what percent of 108? 27 is % of 108