Which are correct representations of the inequality 6x2 3 + 4(2x - 1)? select three options.
12 2x
6x2 3 + 8x - 4
-1.5
-1
-0.
5
0
0.5
1
1.5
+
-1.5
-1
-0.5
0
0.5
1
1.5
-1.5
-1
-0.
5
0
0.5
1
1.5

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?