There are three 20.0 Ω resistors connected in series across a 120 V generator. what is the voltage drop across one of the resistors?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).