Help please if you can ​

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?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11