An equilateral triangle has a perimeter of 15x3 + 33x5 feet. What is the length of each side? x3 feet
5 + 11x2 feet
5x2 + 11 feet
5x3 + 11x5 feet

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?

Don't know how to find x given these segment lengths

Pls yall i really need the answer fr fr