Suppose each license plate in a certain state has four letters followed by two digits. The letters I, O, Q, and U and the digits 0, 1, 2, and 3 are not used. So, there are 22 letters and 6 digits that are used. Assume that the letters and digits can be repeated. How many license plates can be generated using this format?
1) license plates
5
?

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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