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Select the expressions that are equivalent to 7z+2z7z + 2z.\newlineMulti-select Choices:\newline(A) 9z9z\newline(B) z×9z \times 9\newline(C) 3z+6z3z + 6z\newline(D) 3z+4z+2z3z + 4z + 2z

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Q. Select the expressions that are equivalent to 7z+2z7z + 2z.\newlineMulti-select Choices:\newline(A) 9z9z\newline(B) z×9z \times 9\newline(C) 3z+6z3z + 6z\newline(D) 3z+4z+2z3z + 4z + 2z
  1. Simplify Expression: Simplify the expression 7z+2z7z + 2z.
  2. Compare to Choices: Compare the simplified expression to the multi-select choices.

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