Which statement shows the associative property of addition? 3⋅(5⋅x)=(3⋅5)⋅x 21 + 2y = 2y + 21 (u + 7) + 13 = u + (7 + 13) if m + 3 = 18, then 18 = m + 3.

(u + 7) + 13 = u + (7 + 13)

Step-by-step explanation:

The associative property moves the parenthesis.  We are doing addition , so we need to look for the problem that moves the parenthesis on addition.

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step-by-step explanation:

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation: