If \(z\) is a three-digit positive integer, what is the value of the tens digit of \(z?\)

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If \(z\) is a three-digit positive integer, what is the value of the tens digit of \(z?\)

(1) The tens digit of \(z - 91\) is \(3.\)
(2) The units digit of \(z + 9\) is \(5.\)

Answer: C

Source: Official Guide
Source: — Data Sufficiency |