A = 21; D = -5

question 210

Multiple Choice

a = 21; d = -5

• A) 21, 16, 11, 6, 1
• B) 0, 21, 16, 11, 6
• C) -21, -16, -11, -6, -1
• D) 25, 19, 13, 7, 1

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Definitions:

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