what is the approximate area of the shaded sector in the circle shown below? NEEDED ASAP PLS HELP 95 POINTS

Mary had at least an 80% on her test write an inequality to represent this situation

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?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?