The circumference of a circle is 3 pie in.
What is the area of the circle?

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 are the measures of angles a, b, and c? show your work and explain your answers. 25 points

Need solving this 2nd limit problem.