47:54
Which two operations are needed to write the expression that represents "four times the difference of a number and three"?
multiplication and subtraction
division and subtraction
multiplication and addition
division and addition
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Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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?

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.