78 divided by 21 with remainder on anxswer

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?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

The length of the line segment ac is 8x-9 what is the value of x