What is the value of t?​

What is the absolute value of the complex number -4-sqrt2i

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 ?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.