Which pair of angles are which which pair of angles are corresponding angles? 2
1
4
3
6
5
8
7
O 21 and 22
O 21 and 25
O 22 and 27
O 22 and 25

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?