Given f(x) = 13x-3 what is f(-3)

What is the y-intercept of the line given by the equation

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.