(x³÷2²)-²
Simplify

Working out:​

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?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

Which expression is the factorization of x^2+10+21