Which equation shows an example of the associative property of addition?

a. (-4 + i) + 4i = - 4 + (i + 4i)

b. (-4 + i) + 4i = 4i + (-4i + i)

c. 4i * (-4i + i) = (4i - 4i) + (4i * i)

d. (-4i + i) + 0 = (-4i + i)

What is two thirds or 2/3 of the whole 120

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Simplify this math problem 8m (m+6)