Need help with #9 #13 # 14 #16 please

In what form is the following linear equation written y=9x+2

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

Three times the sum of a number and seven is negative thirty-six. what is the number?