fatima opened a saving account with $7,500. she decided to deposit that same amount semiannually this account earns 3.975% interest compounded semiannually what is the future value of the account after 10 years​

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.