Does anyone know how to do this?

Find the complete factored form of the polynomial 40m^3n^2+45m^2n^6

Three coins are flipped. what is the probability that there will be at least two tails?

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?