Which algebraic expression is a difference with two terms?
o a. 5(y- 6)
o b. -2y+5+3
o c. 3y+1
o d. 54-7
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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?