The expression 100 + 20m100+20m100, plus, 20, m gives the volume of water in Eduardo’s pool (in liters) after Eduardo spends mmm minutes filling his pool. What is the volume of water in Eduardo’s pool after he fills it for 5 \dfrac145
4
1

5, start fraction, 1, divided by, 4, end fraction minutes?

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?