The equation y=1.25x represents the cost (Y)

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?

Which of the following describes the symmetry of the graph of y = x3?

What is the radius of the cone in the diagram? round your answer to the nearest whole number