1. sat math scores in recent years have had means around 490 and standard deviations

around 100. what is the variance of sat math scores?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was