Which is the graph of the rose curve r = 4 cos2 theta , 0

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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?

For each proportion find the unknown number x 1/5/8=×/15