PLEASE ANSWER THIS ASAP I WILL MARK YOU BRAINLIEST

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 value of x is in the solution set of 4x – 12 s 16 + 8x?

What is the lcm of 16 and 40 ? 24 and 40 ?