1.(06.02 LC) Line CD contains points A (4, 6) and B (-2, 6). The slope of line CD is (4 points)
zero
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positive
negative

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?

Which expression will have the same sum as 3_8 + 1/4?

If a is a nonzero real number then the reciprocal of a is