Pls help not sure how to answer

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !