If y = 8x -2, which of the following sets represents possible inputs and outputs of the function represented as ordered pairs? A : {(0, -2),(1, 6),(2, 14)}
B : {(0, -2), (2, 13), (-5, -40)}
C: {(1, 7), (2, 7), (3, 7)}
D: {( 1, 6), (2, 13), (3 , 24)}​

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Select all the statements that apply to this figure

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?