Which equation can be used to describe the direct variation function between E, the total earnings in dollars, and h, the number of hours worked?

Answer this question only if you know the answer! 30 points and

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

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?