Please answer 1 and 2! Thank you!

Given this information, which expression must represent the value of b?

What is the best reason for jacinta to have a savings account in addition to a checking account

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