A line is drawn through (4.3) and (4, 3). Which describes whether or not the line represents a direct variation?
N
The line represents a direct variation because -
The line represents a direct variation because it is horizontal.
The line does not represent a direct variation because it does not go through the cugin.
The line does not represent a direct variation because 4(3) + 4(3).

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?