Find the area of the circle. Leave your answer in terms of π. the radius is 9 im not sure what i do just looking for the answer

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.