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Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

Analyze the diagram below and complete the instructions that follow. how to find tan

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?