Find the value of X of the two problems below

Determine the relationship of ab and cd given the following points

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

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?