What is the square root of 97 my calculator dosent get the right answer

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?

Find the value of x to the nearest tenth.