What is the length of a diagonal of a square with a side length of 6?
A) 3 B)\sqrt{3} C)3\sqrt{2} D)6\sqrt{2}

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative