Evaluate the following expression. round your answer to two decimal places

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?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle