Complete the equations so that they have a solution of -2
X-blank=-4
X/2=blank

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?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.