Math help soon please

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

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?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.