Each pair of points is on the graph of an inverse variation. Find the missing value.
(5, 8) and (4,m)

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

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?