Need help with 21,25,27!!! Anyone’s who good at geometry

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

What properties allow transformation to be used as a problem solving tool

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)