What is the diameter of the cylinder if the height is 13, and the volume is 1256? use 3.14 for pi.

Three coins are flipped. what is the probability that there will be at least two tails?

Sorry guys but as you have a small brain

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?