Determine 1/60 of 1/60 of an hour

What is this equation in point-slope form?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

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?