What is the expanded form of 4(y+6) ?

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?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12