Monthly pizza cost (5) 10.00-19.99 20.00-29.99 30.00-39.99 40.00-49.99 50.00-59.99 The sample standard deviation for the cost is $10.92 (Round to the nearest cent as needed.) CI Number of students 9 16 28 17 7

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Q: 1. Which is equivalent to 8+7 +2 2十1 O (e+1)(z-7) #十2 e+1 +2

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