Simplify.
[–4 – (–2 + 3 • 5)]
Simplify the expression.
3/4*[12*4+(-16)] + (-20)
Choose exactly two answers that are correct.
4.
(3 pt)
Which equations illustrate the commutative property of addition?
Choose exactly two answers that are correct.
A.
–9 + 11 = 11 + (–9)
B.
C.
–5 + [6 + (–4 + 3.1)] = – 5 + [(–4 + 3.1) + 6]
D.
–7.4 + (13 + 2.1) = (–7.4 + 13) + 21
A.
16
B.
–44
C.
44
D.
4

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