Find the value of x. round the length to the nearest tenth

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?

Need on this geometry question. explain how you did it.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that