Acar is travelling at x km per hour, find cars speed in terms of xin m per second

Whats the name of the vertical axis

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

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?