(3x+7x-20) ÷ (x+4) can someone solve this?

What kind of bond pays interest which is exempt from tax?

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?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy