What is the area of a hexagon with a radius of 5 in?

Can (3,5 and square root 34) be sides on a right triangle?

For what value of x does 4x = (1/8) x + 5?

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?