What is the distance between point A (-1, 3) and point B (2, -1)?​

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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 ?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?