Solve the following:

A) a/5+3=8
B) 3b/7-1=5

Which choice represents the sample space ,s for this event

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?

Determine which postulate or theorem can be used to prove that lmn =nmo