Over the last four seconds a snell traveled 4/9 of an inch if a snow travel the same distance each second how far did it travel each second

Write a recursive sequence that represents the sequence defined by the following explicit formula:

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?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.