Ineed on #3 and 4

i really need on this or else coach won't let me play on tomorrow's basketball game

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?

What is the least common factor of 6 and 8

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10