X = -1
What’s the solution inequality

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?

Combine like terms to make a simpler expression 3z+z

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2