If a solution has a ( oh- )= 8.6 × 10-5 what is the poh

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What is the sum of these mixed numbers 2 1/8 + 4 3/8

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds