Howcto write 9,000,009 in word form

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

Acylinder has volume 45π and radius 3. what is it’s height?

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