What does the equation 3 + m = 8 mean? tell me now plz I ned this grade

What are the soultion(s) to the quadratic equation 40- x^2=0

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 are the equivalent ratios for 24/2= /3= /5.5=108/ = /15